23908525 has 6 divisors (see below), whose sum is σ = 29646602. Its totient is φ = 19126800.

The previous prime is 23908519. The next prime is 23908529. The reversal of 23908525 is 52580932.

It can be written as a sum of positive squares in 3 ways, for example, as 4008004 + 19900521 = 2002^2 + 4461^2 .

It is not a de Polignac number, because 23908525 - 2⁷ = 23908397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23908529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 478146 + ... + 478195.

Almost surely, 2^23908525 is an apocalyptic number.

23908525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23908525 is a deficient number, since it is larger than the sum of its proper divisors (5738077).

23908525 is an equidigital number, since it uses as much as digits as its factorization.

23908525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956351 (or 956346 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 23908525 is about 4889.6344444140. The cubic root of 23908525 is about 288.0829758664.

The spelling of 23908525 in words is "twenty-three million, nine hundred eight thousand, five hundred twenty-five".