2531540353 has 4 divisors (see below), whose sum is σ = 2531717568. Its totient is φ = 2531363140.

The previous prime is 2531540309. The next prime is 2531540357. The reversal of 2531540353 is 3530451352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2531540353 - 2¹³ = 2531532161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2531540357) 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, 65101 + ... + 96442.

It is an arithmetic number, because the mean of its divisors is an integer number (632929392).

Almost surely, 2^2531540353 is an apocalyptic number.

It is an amenable number.

2531540353 is a deficient number, since it is larger than the sum of its proper divisors (177215).

2531540353 is a wasteful number, since it uses less digits than its factorization.

2531540353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177214.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2531540353 is about 50314.4149623147. The cubic root of 2531540353 is about 1362.8925519074.

The spelling of 2531540353 in words is "two billion, five hundred thirty-one million, five hundred forty thousand, three hundred fifty-three".