25681324 has 12 divisors (see below), whose sum is σ = 44978248. Its totient is φ = 12830400.

The previous prime is 25681321. The next prime is 25681333. The reversal of 25681324 is 42318652.

It is a hoax number, since the sum of its digits (31) 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 (25681321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7159 + ... + 10129.

Almost surely, 2^25681324 is an apocalyptic number.

It is an amenable number.

25681324 is a deficient number, since it is larger than the sum of its proper divisors (19296924).

25681324 is a wasteful number, since it uses less digits than its factorization.

25681324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136 (or 5134 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 25681324 is about 5067.6744173240. The cubic root of 25681324 is about 295.0342735244.

Adding to 25681324 its reverse (42318652), we get a palindrome (67999976).

The spelling of 25681324 in words is "twenty-five million, six hundred eighty-one thousand, three hundred twenty-four".