2556052213 has 16 divisors (see below), whose sum is σ = 3012561216. Its totient is φ = 2138048640.

The previous prime is 2556052193. The next prime is 2556052231. The reversal of 2556052213 is 3122506552.

It is a happy number.

It is not a de Polignac number, because 2556052213 - 2¹⁷ = 2555921141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556052013) 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, 16206 + ... + 73312.

It is an arithmetic number, because the mean of its divisors is an integer number (188285076).

Almost surely, 2^2556052213 is an apocalyptic number.

It is an amenable number.

2556052213 is a deficient number, since it is larger than the sum of its proper divisors (456509003).

2556052213 is a wasteful number, since it uses less digits than its factorization.

2556052213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57444.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 2556052213 is about 50557.4150150104. The cubic root of 2556052213 is about 1367.2772058994.

Adding to 2556052213 its reverse (3122506552), we get a palindrome (5678558765).

The spelling of 2556052213 in words is "two billion, five hundred fifty-six million, fifty-two thousand, two hundred thirteen".