2564632603 has 16 divisors (see below), whose sum is σ = 2883898080. Its totient is φ = 2264322816.

The previous prime is 2564632517. The next prime is 2564632613. The reversal of 2564632603 is 3062364652.

It is a cyclic number.

It is not a de Polignac number, because 2564632603 - 2¹⁷ = 2564501531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2564632613) 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, 8551 + ... + 72127.

It is an arithmetic number, because the mean of its divisors is an integer number (180243630).

Almost surely, 2^2564632603 is an apocalyptic number.

2564632603 is a deficient number, since it is larger than the sum of its proper divisors (319265477).

2564632603 is a wasteful number, since it uses less digits than its factorization.

2564632603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63726.

The product of its (nonzero) digits is 155520, while the sum is 37.

The square root of 2564632603 is about 50642.2017985000. The cubic root of 2564632603 is about 1368.8054308974.

The spelling of 2564632603 in words is "two billion, five hundred sixty-four million, six hundred thirty-two thousand, six hundred three".