25312023002 has 12 divisors (see below), whose sum is σ = 44166897450. Its totient is φ = 10848009816.

The previous prime is 25312022999. The next prime is 25312023013. The reversal of 25312023002 is 20032021352.

It can be written as a sum of positive squares in only one way, i.e., 25300401721 + 11621281 = 159061^2 + 3409^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 129142877 + ... + 129143072.

Almost surely, 2^25312023002 is an apocalyptic number.

25312023002 is a deficient number, since it is larger than the sum of its proper divisors (18854874448).

25312023002 is a wasteful number, since it uses less digits than its factorization.

25312023002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258285965 (or 258285958 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 25312023002 its reverse (20032021352), we get a palindrome (45344044354).

The spelling of 25312023002 in words is "twenty-five billion, three hundred twelve million, twenty-three thousand, two".