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125425477 = 130396259
BaseRepresentation
bin1110111100111…
…01011101000101
322202000021102001
413132131131011
5224102103402
620240145301
73052045642
oct736353505
9282007361
10125425477
1164888021
1236008231
131cca6578
141292cdc9
15b028187
hex779d745

125425477 has 4 divisors (see below), whose sum is σ = 125523040. Its totient is φ = 125327916.

The previous prime is 125425457. The next prime is 125425501. The reversal of 125425477 is 774524521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774524521 = 1814279141.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-125425477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125425427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46827 + ... + 49432.

It is an arithmetic number, because the mean of its divisors is an integer number (31380760).

Almost surely, 2125425477 is an apocalyptic number.

It is an amenable number.

125425477 is a deficient number, since it is larger than the sum of its proper divisors (97563).

125425477 is an equidigital number, since it uses as much as digits as its factorization.

125425477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97562.

The product of its digits is 78400, while the sum is 37.

The square root of 125425477 is about 11199.3516330188. The cubic root of 125425477 is about 500.5666602165.

Adding to 125425477 its reverse (774524521), we get a palindrome (899949998).

The spelling of 125425477 in words is "one hundred twenty-five million, four hundred twenty-five thousand, four hundred seventy-seven".

Divisors: 1 1303 96259 125425477