2535640832531 has 4 divisors (see below), whose sum is σ = 2535649812000. Its totient is φ = 2535631853064.

The previous prime is 2535640832503. The next prime is 2535640832617. The reversal of 2535640832531 is 1352380465352.

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

It is a cyclic number.

It is not a de Polignac number, because 2535640832531 - 2⁶ = 2535640832467 is a prime.

It is a super-2 number, since 2×2535640832531² (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 (2535640831531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4051931 + ... + 4635668.

It is an arithmetic number, because the mean of its divisors is an integer number (633912453000).

Almost surely, 2^{2535640832531} is an apocalyptic number.

2535640832531 is a deficient number, since it is larger than the sum of its proper divisors (8979469).

2535640832531 is an equidigital number, since it uses as much as digits as its factorization.

2535640832531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8979468.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 2535640832531 in words is "two trillion, five hundred thirty-five billion, six hundred forty million, eight hundred thirty-two thousand, five hundred thirty-one".