625023125 has 10 divisors (see below), whose sum is σ = 781029678. Its totient is φ = 500018000.

The previous prime is 625023097. The next prime is 625023131. The reversal of 625023125 is 521320526.

It can be written as a sum of positive squares in 5 ways, for example, as 103083409 + 521939716 = 10153^2 + 22846^2 .

It is not a de Polignac number, because 625023125 - 2¹² = 625019029 is a prime.

It is a Duffinian number.

625023125 is a modest number, since divided by 23125 gives 625 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 625023094 and 625023103.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 499394 + ... + 500643.

Almost surely, 2^625023125 is an apocalyptic number.

It is an amenable number.

625023125 is a deficient number, since it is larger than the sum of its proper divisors (156006553).

625023125 is an equidigital number, since it uses as much as digits as its factorization.

625023125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000057 (or 1000042 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 625023125 is about 25000.4624957220. The cubic root of 625023125 is about 854.9985180600.

The spelling of 625023125 in words is "six hundred twenty-five million, twenty-three thousand, one hundred twenty-five".