125575825 has 24 divisors (see below), whose sum is σ = 161224056. Its totient is φ = 96960000.

The previous prime is 125575819. The next prime is 125575843. The reversal of 125575825 is 528575521.

It can be written as a sum of positive squares in 12 ways, for example, as 66455104 + 59120721 = 8152^2 + 7689^2 .

It is not a de Polignac number, because 125575825 - 2¹⁵ = 125543057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 102919 + ... + 104131.

It is an arithmetic number, because the mean of its divisors is an integer number (6717669).

Almost surely, 2^125575825 is an apocalyptic number.

It is an amenable number.

125575825 is a deficient number, since it is larger than the sum of its proper divisors (35648231).

125575825 is a wasteful number, since it uses less digits than its factorization.

125575825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365 (or 1360 counting only the distinct ones).

The product of its digits is 140000, while the sum is 40.

The square root of 125575825 is about 11206.0619755559. The cubic root of 125575825 is about 500.7665907433.

The spelling of 125575825 in words is "one hundred twenty-five million, five hundred seventy-five thousand, eight hundred twenty-five".