25320032 has 12 divisors (see below), whose sum is σ = 49848876. Its totient is φ = 12660000.

The previous prime is 25320013. The next prime is 25320041. The reversal of 25320032 is 23002352.

It is a super-2 number, since 2×25320032² = 1282208040962048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395594 + ... + 395657.

It is an arithmetic number, because the mean of its divisors is an integer number (4154073).

Almost surely, 2^25320032 is an apocalyptic number.

It is an amenable number.

25320032 is a deficient number, since it is larger than the sum of its proper divisors (24528844).

25320032 is an equidigital number, since it uses as much as digits as its factorization.

25320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791261 (or 791253 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 25320032 is about 5031.9014298772. The cubic root of 25320032 is about 293.6441929483.

Adding to 25320032 its reverse (23002352), we get a palindrome (48322384).

The spelling of 25320032 in words is "twenty-five million, three hundred twenty thousand, thirty-two".