2526661231 has 4 divisors (see below), whose sum is σ = 2608166464. Its totient is φ = 2445156000.

The previous prime is 2526661229. The next prime is 2526661273. The reversal of 2526661231 is 1321666252.

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

It is not a de Polignac number, because 2526661231 - 2¹ = 2526661229 is a prime.

It is a super-2 number, since 2×2526661231² = 12768033952476870722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2526661031) 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, 40752570 + ... + 40752631.

It is an arithmetic number, because the mean of its divisors is an integer number (652041616).

Almost surely, 2^2526661231 is an apocalyptic number.

2526661231 is a deficient number, since it is larger than the sum of its proper divisors (81505233).

2526661231 is an equidigital number, since it uses as much as digits as its factorization.

2526661231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81505232.

The product of its digits is 25920, while the sum is 34.

The square root of 2526661231 is about 50265.9052539592. The cubic root of 2526661231 is about 1362.0164060619.

The spelling of 2526661231 in words is "two billion, five hundred twenty-six million, six hundred sixty-one thousand, two hundred thirty-one".