2562557613 has 64 divisors (see below), whose sum is σ = 4336975872. Its totient is φ = 1307335680.

The previous prime is 2562557603. The next prime is 2562557629. The reversal of 2562557613 is 3167552652.

It is not a de Polignac number, because 2562557613 - 2⁴ = 2562557597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2562557603) 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 63 ways as a sum of consecutive naturals, for example, 3314695 + ... + 3315467.

It is an arithmetic number, because the mean of its divisors is an integer number (67765248).

Almost surely, 2^2562557613 is an apocalyptic number.

It is an amenable number.

2562557613 is a deficient number, since it is larger than the sum of its proper divisors (1774418259).

2562557613 is a wasteful number, since it uses less digits than its factorization.

2562557613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034.

The product of its digits is 378000, while the sum is 42.

The square root of 2562557613 is about 50621.7108857455. The cubic root of 2562557613 is about 1368.4361741184.

It can be divided in two parts, 25625 and 57613, that added together give a palindrome (83238).

The spelling of 2562557613 in words is "two billion, five hundred sixty-two million, five hundred fifty-seven thousand, six hundred thirteen".