2525226666731 has 4 divisors (see below), whose sum is σ = 2566623825264. Its totient is φ = 2483829508200.

The previous prime is 2525226666713. The next prime is 2525226666737. The reversal of 2525226666731 is 1376666225252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2525226666731 is a prime.

It is a super-2 number, since 2×2525226666731² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2525226666737) 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, 20698579175 + ... + 20698579296.

It is an arithmetic number, because the mean of its divisors is an integer number (641655956316).

Almost surely, 2^{2525226666731} is an apocalyptic number.

2525226666731 is a deficient number, since it is larger than the sum of its proper divisors (41397158533).

2525226666731 is an equidigital number, since it uses as much as digits as its factorization.

2525226666731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41397158532.

The product of its digits is 10886400, while the sum is 53.

The spelling of 2525226666731 in words is "two trillion, five hundred twenty-five billion, two hundred twenty-six million, six hundred sixty-six thousand, seven hundred thirty-one".