25232442 has 16 divisors (see below), whose sum is σ = 51104640. Its totient is φ = 8304192.

The previous prime is 25232429. The next prime is 25232447. The reversal of 25232442 is 24423252.

It is a happy number.

It is a super-2 number, since 2×25232442² = 1273352258566728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25232447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26143 + ... + 27090.

It is an arithmetic number, because the mean of its divisors is an integer number (3194040).

Almost surely, 2^25232442 is an apocalyptic number.

25232442 is an abundant number, since it is smaller than the sum of its proper divisors (25872198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25232442 is a wasteful number, since it uses less digits than its factorization.

25232442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53317.

The product of its digits is 3840, while the sum is 24.

The square root of 25232442 is about 5023.1904204400. The cubic root of 25232442 is about 293.3051990349.

Adding to 25232442 its reverse (24423252), we get a palindrome (49655694).

The spelling of 25232442 in words is "twenty-five million, two hundred thirty-two thousand, four hundred forty-two".