25164250030 has 32 divisors (see below), whose sum is σ = 45672570720. Its totient is φ = 9982619712.

The previous prime is 25164250019. The next prime is 25164250039. The reversal of 25164250030 is 3005246152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25164250039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26855722 + ... + 26856658.

It is an arithmetic number, because the mean of its divisors is an integer number (1427267835).

Almost surely, 2^25164250030 is an apocalyptic number.

25164250030 is a deficient number, since it is larger than the sum of its proper divisors (20508320690).

25164250030 is an frugal number, since it uses more digits than its factorization.

25164250030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361 (or 1083 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 25164250030 its reverse (3005246152), we get a palindrome (28169496182).

The spelling of 25164250030 in words is "twenty-five billion, one hundred sixty-four million, two hundred fifty thousand, thirty".