2556182523 has 4 divisors (see below), whose sum is σ = 3408243368. Its totient is φ = 1704121680.

The previous prime is 2556182483. The next prime is 2556182549. The reversal of 2556182523 is 3252816552.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2556182523 - 2⁸ = 2556182267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2556182723) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426030418 + ... + 426030423.

It is an arithmetic number, because the mean of its divisors is an integer number (852060842).

Almost surely, 2^2556182523 is an apocalyptic number.

2556182523 is a deficient number, since it is larger than the sum of its proper divisors (852060845).

2556182523 is an equidigital number, since it uses as much as digits as its factorization.

2556182523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852060844.

The product of its digits is 144000, while the sum is 39.

The square root of 2556182523 is about 50558.7037314051. The cubic root of 2556182523 is about 1367.3004405402.

The spelling of 2556182523 in words is "two billion, five hundred fifty-six million, one hundred eighty-two thousand, five hundred twenty-three".