2556251353 has 8 divisors (see below), whose sum is σ = 2578590720. Its totient is φ = 2533965600.

The previous prime is 2556251329. The next prime is 2556251363. The reversal of 2556251353 is 3531526552.

2556251353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2556251353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556251363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85528 + ... + 111478.

It is an arithmetic number, because the mean of its divisors is an integer number (322323840).

Almost surely, 2^2556251353 is an apocalyptic number.

It is an amenable number.

2556251353 is a deficient number, since it is larger than the sum of its proper divisors (22339367).

2556251353 is a wasteful number, since it uses less digits than its factorization.

2556251353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26807.

The product of its digits is 135000, while the sum is 37.

The square root of 2556251353 is about 50559.3844206988. The cubic root of 2556251353 is about 1367.3127128048.

The spelling of 2556251353 in words is "two billion, five hundred fifty-six million, two hundred fifty-one thousand, three hundred fifty-three".