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25123053 = 38374351
BaseRepresentation
bin101111111010…
…1100011101101
31202021101100110
41133311203231
522412414203
62254250233
7423354024
oct137654355
952241313
1025123053
11131aa35a
1284b6979
135288217
14349d8bb
152313d03
hex17f58ed

25123053 has 4 divisors (see below), whose sum is σ = 33497408. Its totient is φ = 16748700.

The previous prime is 25123001. The next prime is 25123079. The reversal of 25123053 is 35032152.

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.

It is not a de Polignac number, because 25123053 - 210 = 25122029 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 (25123253) 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, 4187173 + ... + 4187178.

It is an arithmetic number, because the mean of its divisors is an integer number (8374352).

Almost surely, 225123053 is an apocalyptic number.

It is an amenable number.

25123053 is a deficient number, since it is larger than the sum of its proper divisors (8374355).

25123053 is an equidigital number, since it uses as much as digits as its factorization.

25123053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8374354.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25123053 is about 5012.2901951104. The cubic root of 25123053 is about 292.8807343846.

Subtracting 25123053 from its reverse (35032152), we obtain a palindrome (9909099).

It can be divided in two parts, 2512 and 3053, that added together give a triangular number (5565 = T105).

The spelling of 25123053 in words is "twenty-five million, one hundred twenty-three thousand, fifty-three".

Divisors: 1 3 8374351 25123053