25542232 has 32 divisors (see below), whose sum is σ = 50727600. Its totient is φ = 12023424.

The previous prime is 25542229. The next prime is 25542269. The reversal of 25542232 is 23224552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25542197 and 25542206.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 29518 + ... + 30370.

Almost surely, 2^25542232 is an apocalyptic number.

It is an amenable number.

25542232 is a deficient number, since it is larger than the sum of its proper divisors (25185368).

25542232 is a wasteful number, since it uses less digits than its factorization.

25542232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1071 counting only the distinct ones).

The product of its digits is 4800, while the sum is 25.

The square root of 25542232 is about 5053.9323303740. The cubic root of 25542232 is about 294.5006663366.

Adding to 25542232 its reverse (23224552), we get a palindrome (48766784).

The spelling of 25542232 in words is "twenty-five million, five hundred forty-two thousand, two hundred thirty-two".