125051593 has 4 divisors (see below), whose sum is σ = 125106580. Its totient is φ = 124996608.

The previous prime is 125051581. The next prime is 125051603. The reversal of 125051593 is 395150521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90383049 + 34668544 = 9507^2 + 5888^2 .

It is a cyclic number.

It is not a de Polignac number, because 125051593 - 2⁵ = 125051561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125051543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23928 + ... + 28681.

It is an arithmetic number, because the mean of its divisors is an integer number (31276645).

Almost surely, 2^125051593 is an apocalyptic number.

It is an amenable number.

125051593 is a deficient number, since it is larger than the sum of its proper divisors (54987).

125051593 is an equidigital number, since it uses as much as digits as its factorization.

125051593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54986.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 125051593 is about 11182.6469585693. The cubic root of 125051593 is about 500.0687812045.

The spelling of 125051593 in words is "one hundred twenty-five million, fifty-one thousand, five hundred ninety-three".