23961492025 has 27 divisors (see below), whose sum is σ = 30155386989. Its totient is φ = 18887466720.

The previous prime is 23961492011. The next prime is 23961492031. The reversal of 23961492025 is 52029416932.

The square root of 23961492025 is 154795.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 230705721 + 23730786304 = 15189^2 + 154048^2 .

It is not a de Polignac number, because 23961492025 - 2⁹ = 23961491513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 64239739 + ... + 64240111.

Almost surely, 2^23961492025 is an apocalyptic number.

23961492025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

23961492025 is the 154795-th square number.

23961492025 is the 77398-th centered octagonal number.

It is an amenable number.

23961492025 is a deficient number, since it is larger than the sum of its proper divisors (6193894964).

23961492025 is an frugal number, since it uses more digits than its factorization.

23961492025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 23961492025 in words is "twenty-three billion, nine hundred sixty-one million, four hundred ninety-two thousand, twenty-five".