2556125453 has 16 divisors (see below), whose sum is σ = 3025104000. Its totient is φ = 2113255872.

The previous prime is 2556125357. The next prime is 2556125477. The reversal of 2556125453 is 3545216552.

It is not a de Polignac number, because 2556125453 - 2¹⁰ = 2556124429 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556125053) 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, 211118 + ... + 222896.

It is an arithmetic number, because the mean of its divisors is an integer number (189069000).

Almost surely, 2^2556125453 is an apocalyptic number.

It is an amenable number.

2556125453 is a deficient number, since it is larger than the sum of its proper divisors (468978547).

2556125453 is a wasteful number, since it uses less digits than its factorization.

2556125453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12884.

The product of its digits is 180000, while the sum is 38.

The square root of 2556125453 is about 50558.1393348292. The cubic root of 2556125453 is about 1367.2902648954.

The spelling of 2556125453 in words is "two billion, five hundred fifty-six million, one hundred twenty-five thousand, four hundred fifty-three".