25520032 has 24 divisors (see below), whose sum is σ = 50996736. Its totient is φ = 12568512.

The previous prime is 25520017. The next prime is 25520051. The reversal of 25520032 is 23002552.

It is a junction number, because it is equal to n+sod(n) for n = 25519991 and 25520009.

It is an unprimeable number.

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, 3808 + ... + 8095.

It is an arithmetic number, because the mean of its divisors is an integer number (2124864).

Almost surely, 2^25520032 is an apocalyptic number.

It is an amenable number.

25520032 is a deficient number, since it is larger than the sum of its proper divisors (25476704).

25520032 is a wasteful number, since it uses less digits than its factorization.

25520032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11980 (or 11972 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 25520032 is about 5051.7355433554. The cubic root of 25520032 is about 294.4153199731.

Adding to 25520032 its reverse (23002552), we get a palindrome (48522584).

The spelling of 25520032 in words is "twenty-five million, five hundred twenty thousand, thirty-two".