2556332523 has 24 divisors (see below), whose sum is σ = 3925331280. Its totient is φ = 1598529600.

The previous prime is 2556332497. The next prime is 2556332531. The reversal of 2556332523 is 3252336552.

2556332523 is a `hidden beast` number, since 255 + 63 + 325 + 23 = 666.

It is not a de Polignac number, because 2556332523 - 2⁹ = 2556332011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2556332563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56736 + ... + 91277.

It is an arithmetic number, because the mean of its divisors is an integer number (163555470).

Almost surely, 2^2556332523 is an apocalyptic number.

2556332523 is a deficient number, since it is larger than the sum of its proper divisors (1368998757).

2556332523 is a wasteful number, since it uses less digits than its factorization.

2556332523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148139 (or 148136 counting only the distinct ones).

The product of its digits is 162000, while the sum is 36.

The square root of 2556332523 is about 50560.1871337518. The cubic root of 2556332523 is about 1367.3271849860.

The spelling of 2556332523 in words is "two billion, five hundred fifty-six million, three hundred thirty-two thousand, five hundred twenty-three".