25300440231 has 16 divisors (see below), whose sum is σ = 36814618368. Its totient is φ = 15327776000.

The previous prime is 25300440227. The next prime is 25300440251. The reversal of 25300440231 is 13204400352.

It is a cyclic number.

It is not a de Polignac number, because 25300440231 - 2² = 25300440227 is a prime.

It is a super-2 number, since 2×25300440231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25300440251) 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, 56595 + ... + 231956.

It is an arithmetic number, because the mean of its divisors is an integer number (2300913648).

Almost surely, 2^25300440231 is an apocalyptic number.

25300440231 is a deficient number, since it is larger than the sum of its proper divisors (11514178137).

25300440231 is a wasteful number, since it uses less digits than its factorization.

25300440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291222.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 25300440231 its reverse (13204400352), we get a palindrome (38504840583).

The spelling of 25300440231 in words is "twenty-five billion, three hundred million, four hundred forty thousand, two hundred thirty-one".