2561364262 has 16 divisors (see below), whose sum is σ = 4070965392. Its totient is φ = 1204483840.

The previous prime is 2561364251. The next prime is 2561364287. The reversal of 2561364262 is 2624631652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22437 + ... + 75007.

It is an arithmetic number, because the mean of its divisors is an integer number (254435337).

Almost surely, 2^2561364262 is an apocalyptic number.

2561364262 is a deficient number, since it is larger than the sum of its proper divisors (1509601130).

2561364262 is a wasteful number, since it uses less digits than its factorization.

2561364262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54023.

The product of its digits is 103680, while the sum is 37.

The square root of 2561364262 is about 50609.9225646513. The cubic root of 2561364262 is about 1368.2237199375.

The spelling of 2561364262 in words is "two billion, five hundred sixty-one million, three hundred sixty-four thousand, two hundred sixty-two".