2566253434 has 8 divisors (see below), whose sum is σ = 3849935040. Its totient is φ = 1282941756.

The previous prime is 2566253419. The next prime is 2566253441. The reversal of 2566253434 is 4343526652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74434 + ... + 103309.

It is an arithmetic number, because the mean of its divisors is an integer number (481241880).

Almost surely, 2^2566253434 is an apocalyptic number.

2566253434 is a deficient number, since it is larger than the sum of its proper divisors (1283681606).

2566253434 is a wasteful number, since it uses less digits than its factorization.

2566253434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184964.

The product of its digits is 518400, while the sum is 40.

The square root of 2566253434 is about 50658.2020407357. The cubic root of 2566253434 is about 1369.0937288594.

The spelling of 2566253434 in words is "two billion, five hundred sixty-six million, two hundred fifty-three thousand, four hundred thirty-four".