25232961 has 16 divisors (see below), whose sum is σ = 36732416. Its totient is φ = 15313536.

The previous prime is 25232953. The next prime is 25232971. The reversal of 25232961 is 16923252.

It is not a de Polignac number, because 25232961 - 2³ = 25232953 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25232971) by changing a digit.

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, 1585 + ... + 7278.

It is an arithmetic number, because the mean of its divisors is an integer number (2295776).

Almost surely, 2^25232961 is an apocalyptic number.

It is an amenable number.

25232961 is a deficient number, since it is larger than the sum of its proper divisors (11499455).

25232961 is a wasteful number, since it uses less digits than its factorization.

25232961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8952.

The product of its digits is 6480, while the sum is 30.

The square root of 25232961 is about 5023.2420805691. The cubic root of 25232961 is about 293.3072099957.

The spelling of 25232961 in words is "twenty-five million, two hundred thirty-two thousand, nine hundred sixty-one".