25312832 has 14 divisors (see below), whose sum is σ = 50230278. Its totient is φ = 12656384.

The previous prime is 25312831. The next prime is 25312843. The reversal of 25312832 is 23821352.

It can be written as a sum of positive squares in only one way, i.e., 19855936 + 5456896 = 4456^2 + 2336^2 .

It is not an unprimeable number, because it can be changed into a prime (25312831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 197693 + ... + 197820.

It is an arithmetic number, because the mean of its divisors is an integer number (3587877).

Almost surely, 2^25312832 is an apocalyptic number.

It is an amenable number.

25312832 is a deficient number, since it is larger than the sum of its proper divisors (24917446).

25312832 is an equidigital number, since it uses as much as digits as its factorization.

25312832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395525 (or 395515 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 25312832 is about 5031.1859436916. The cubic root of 25312832 is about 293.6163567720.

The spelling of 25312832 in words is "twenty-five million, three hundred twelve thousand, eight hundred thirty-two".