2539257343 has 16 divisors (see below), whose sum is σ = 3083690304. Its totient is φ = 2041159680.

The previous prime is 2539257323. The next prime is 2539257353. The reversal of 2539257343 is 3437529352.

It is not a de Polignac number, because 2539257343 - 2²⁵ = 2505702911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2539257343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539257323) 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, 4530 + ... + 71407.

It is an arithmetic number, because the mean of its divisors is an integer number (192730644).

Almost surely, 2^2539257343 is an apocalyptic number.

2539257343 is a deficient number, since it is larger than the sum of its proper divisors (544432961).

2539257343 is a wasteful number, since it uses less digits than its factorization.

2539257343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76242.

The product of its digits is 680400, while the sum is 43.

The square root of 2539257343 is about 50391.0442737596. The cubic root of 2539257343 is about 1364.2759993873.

The spelling of 2539257343 in words is "two billion, five hundred thirty-nine million, two hundred fifty-seven thousand, three hundred forty-three".