2556261302 has 48 divisors (see below), whose sum is σ = 4663019520. Its totient is φ = 1046682000.

The previous prime is 2556261299. The next prime is 2556261341. The reversal of 2556261302 is 2031626552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234677 + ... + 245327.

It is an arithmetic number, because the mean of its divisors is an integer number (97146240).

Almost surely, 2^2556261302 is an apocalyptic number.

2556261302 is a deficient number, since it is larger than the sum of its proper divisors (2106758218).

2556261302 is a wasteful number, since it uses less digits than its factorization.

2556261302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10777 (or 10770 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 2556261302 is about 50559.4828098548. The cubic root of 2556261302 is about 1367.3144866753.

Adding to 2556261302 its reverse (2031626552), we get a palindrome (4587887854).

The spelling of 2556261302 in words is "two billion, five hundred fifty-six million, two hundred sixty-one thousand, three hundred two".