23633525 has 6 divisors (see below), whose sum is σ = 29305602. Its totient is φ = 18906800.

The previous prime is 23633497. The next prime is 23633537. The reversal of 23633525 is 52533632.

It can be written as a sum of positive squares in 3 ways, for example, as 7360369 + 16273156 = 2713^2 + 4034^2 .

It is not a de Polignac number, because 23633525 - 2⁶ = 23633461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 472646 + ... + 472695.

It is an arithmetic number, because the mean of its divisors is an integer number (4884267).

Almost surely, 2^23633525 is an apocalyptic number.

23633525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23633525 is a deficient number, since it is larger than the sum of its proper divisors (5672077).

23633525 is an equidigital number, since it uses as much as digits as its factorization.

23633525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945351 (or 945346 counting only the distinct ones).

The product of its digits is 16200, while the sum is 29.

The square root of 23633525 is about 4861.4324020807. The cubic root of 23633525 is about 286.9741869972.

The spelling of 23633525 in words is "twenty-three million, six hundred thirty-three thousand, five hundred twenty-five".