23625225 has 72 divisors (see below), whose sum is σ = 46918872. Its totient is φ = 11289600.

The previous prime is 23625221. The next prime is 23625229. The reversal of 23625225 is 52252632.

It is an interprime number because it is at equal distance from previous prime (23625221) and next prime (23625229).

It can be written as a sum of positive squares in 12 ways, for example, as 9585216 + 14040009 = 3096^2 + 3747^2 .

It is not a de Polignac number, because 23625225 - 2² = 23625221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23625221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 119827 + ... + 120023.

It is an arithmetic number, because the mean of its divisors is an integer number (651651).

Almost surely, 2^23625225 is an apocalyptic number.

23625225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23625225 is a deficient number, since it is larger than the sum of its proper divisors (23293647).

23625225 is a wasteful number, since it uses less digits than its factorization.

23625225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 259 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 23625225 is about 4860.5786692533. The cubic root of 23625225 is about 286.9405883326.

Adding to 23625225 its reverse (52252632), we get a palindrome (75877857).

The spelling of 23625225 in words is "twenty-three million, six hundred twenty-five thousand, two hundred twenty-five".