23566625 has 8 divisors (see below), whose sum is σ = 29411304. Its totient is φ = 18853200.

The previous prime is 23566601. The next prime is 23566637. The reversal of 23566625 is 52666532.

It can be written as a sum of positive squares in 4 ways, for example, as 53824 + 23512801 = 232^2 + 4849^2 .

It is not a de Polignac number, because 23566625 - 2¹⁰ = 23565601 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94142 + ... + 94391.

It is an arithmetic number, because the mean of its divisors is an integer number (3676413).

Almost surely, 2^23566625 is an apocalyptic number.

23566625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23566625 is a deficient number, since it is larger than the sum of its proper divisors (5844679).

23566625 is an equidigital number, since it uses as much as digits as its factorization.

23566625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188548 (or 188538 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 23566625 is about 4854.5468377594. The cubic root of 23566625 is about 286.7031494641.

The spelling of 23566625 in words is "twenty-three million, five hundred sixty-six thousand, six hundred twenty-five".