25232405 has 16 divisors (see below), whose sum is σ = 33264000. Its totient is φ = 18221760.

The previous prime is 25232393. The next prime is 25232413. The reversal of 25232405 is 50423252.

It is not a de Polignac number, because 25232405 - 2⁸ = 25232149 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6656 + ... + 9734.

It is an arithmetic number, because the mean of its divisors is an integer number (2079000).

Almost surely, 2^25232405 is an apocalyptic number.

It is an amenable number.

25232405 is a deficient number, since it is larger than the sum of its proper divisors (8031595).

25232405 is a wasteful number, since it uses less digits than its factorization.

25232405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 25232405 is about 5023.1867375203. The cubic root of 25232405 is about 293.3050556706.

Adding to 25232405 its reverse (50423252), we get a palindrome (75655657).

The spelling of 25232405 in words is "twenty-five million, two hundred thirty-two thousand, four hundred five".