25315233 has 8 divisors (see below), whose sum is σ = 33777600. Its totient is φ = 16864848.

The previous prime is 25315229. The next prime is 25315253. The reversal of 25315233 is 33251352.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25315233 - 2² = 25315229 is a prime.

It is a super-2 number, since 2×25315233² = 1281722043688578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25315223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4948 + ... + 8666.

It is an arithmetic number, because the mean of its divisors is an integer number (4222200).

Almost surely, 2^25315233 is an apocalyptic number.

It is an amenable number.

25315233 is a deficient number, since it is larger than the sum of its proper divisors (8462367).

25315233 is a wasteful number, since it uses less digits than its factorization.

25315233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991.

The product of its digits is 2700, while the sum is 24.

The square root of 25315233 is about 5031.4245497672. The cubic root of 25315233 is about 293.6256399501.

Adding to 25315233 its reverse (33251352), we get a palindrome (58566585).

The spelling of 25315233 in words is "twenty-five million, three hundred fifteen thousand, two hundred thirty-three".