25489312 has 12 divisors (see below), whose sum is σ = 50182146. Its totient is φ = 12744640.

The previous prime is 25489309. The next prime is 25489319. The reversal of 25489312 is 21398452.

It can be written as a sum of positive squares in only one way, i.e., 21939856 + 3549456 = 4684^2 + 1884^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25489319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 398239 + ... + 398302.

Almost surely, 2^25489312 is an apocalyptic number.

It is an amenable number.

25489312 is a deficient number, since it is larger than the sum of its proper divisors (24692834).

25489312 is an equidigital number, since it uses as much as digits as its factorization.

25489312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796551 (or 796543 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 25489312 is about 5048.6940885738. The cubic root of 25489312 is about 294.2971373866.

The spelling of 25489312 in words is "twenty-five million, four hundred eighty-nine thousand, three hundred twelve".