625231125 has 24 divisors (see below), whose sum is σ = 1127085336. Its totient is φ = 333456000.

The previous prime is 625231111. The next prime is 625231127. The reversal of 625231125 is 521132526.

It is a happy number.

625231125 is a `hidden beast` number, since 625 + 2 + 3 + 11 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 61121124 + 564110001 = 7818^2 + 23751^2 .

It is not a de Polignac number, because 625231125 - 2⁵ = 625231093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625231127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 276756 + ... + 279005.

It is an arithmetic number, because the mean of its divisors is an integer number (46961889).

Almost surely, 2^625231125 is an apocalyptic number.

It is an amenable number.

625231125 is a deficient number, since it is larger than the sum of its proper divisors (501854211).

625231125 is a wasteful number, since it uses less digits than its factorization.

625231125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555782 (or 555769 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 625231125 is about 25004.6220727289. The cubic root of 625231125 is about 855.0933518673.

The spelling of 625231125 in words is "six hundred twenty-five million, two hundred thirty-one thousand, one hundred twenty-five".