2556523067 has 16 divisors (see below), whose sum is σ = 2939983872. Its totient is φ = 2177660160.

The previous prime is 2556523063. The next prime is 2556523129. The reversal of 2556523067 is 7603256552.

It is a cyclic number.

It is not a de Polignac number, because 2556523067 - 2² = 2556523063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2556523063) 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, 1227467 + ... + 1229547.

It is an arithmetic number, because the mean of its divisors is an integer number (183748992).

Almost surely, 2^2556523067 is an apocalyptic number.

2556523067 is a deficient number, since it is larger than the sum of its proper divisors (383460805).

2556523067 is a wasteful number, since it uses less digits than its factorization.

2556523067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3098.

The product of its (nonzero) digits is 378000, while the sum is 41.

The square root of 2556523067 is about 50562.0714271083. The cubic root of 2556523067 is about 1367.3611567686.

The spelling of 2556523067 in words is "two billion, five hundred fifty-six million, five hundred twenty-three thousand, sixty-seven".