25631032 has 16 divisors (see below), whose sum is σ = 54923760. Its totient is φ = 10984704.

The previous prime is 25631029. The next prime is 25631033. The reversal of 25631032 is 23013652.

It is a junction number, because it is equal to n+sod(n) for n = 25630994 and 25631012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25631033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228793 + ... + 228904.

It is an arithmetic number, because the mean of its divisors is an integer number (3432735).

Almost surely, 2^25631032 is an apocalyptic number.

It is an amenable number.

25631032 is an abundant number, since it is smaller than the sum of its proper divisors (29292728).

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

25631032 is a wasteful number, since it uses less digits than its factorization.

25631032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457710 (or 457706 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 25631032 is about 5062.7099462640. The cubic root of 25631032 is about 294.8415581235.

Adding to 25631032 its reverse (23013652), we get a palindrome (48644684).

The spelling of 25631032 in words is "twenty-five million, six hundred thirty-one thousand, thirty-two".