715566625 has 8 divisors (see below), whose sum is σ = 893027304. Its totient is φ = 572453200.

The previous prime is 715566589. The next prime is 715566629. The reversal of 715566625 is 526665517.

It can be written as a sum of positive squares in 4 ways, for example, as 87011584 + 628555041 = 9328^2 + 25071^2 .

It is not a de Polignac number, because 715566625 - 2¹³ = 715558433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (715566629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2862142 + ... + 2862391.

It is an arithmetic number, because the mean of its divisors is an integer number (111628413).

Almost surely, 2^715566625 is an apocalyptic number.

It is an amenable number.

715566625 is a deficient number, since it is larger than the sum of its proper divisors (177460679).

715566625 is an equidigital number, since it uses as much as digits as its factorization.

715566625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5724548 (or 5724538 counting only the distinct ones).

The product of its digits is 378000, while the sum is 43.

The square root of 715566625 is about 26750.0771026926. The cubic root of 715566625 is about 894.4375542965.

The spelling of 715566625 in words is "seven hundred fifteen million, five hundred sixty-six thousand, six hundred twenty-five".