1002564063 has 6 divisors (see below), whose sum is σ = 1448148104. Its totient is φ = 668376036.

The previous prime is 1002564041. The next prime is 1002564083. The reversal of 1002564063 is 3604652001.

1002564063 is a `hidden beast` number, since 1 + 0 + 0 + 256 + 406 + 3 = 666.

It is not a de Polignac number, because 1002564063 - 2²⁸ = 734128607 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 (1002564023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55697995 + ... + 55698012.

Almost surely, 2^1002564063 is an apocalyptic number.

1002564063 is a deficient number, since it is larger than the sum of its proper divisors (445584041).

1002564063 is a wasteful number, since it uses less digits than its factorization.

1002564063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111396013 (or 111396010 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1002564063 is about 31663.2920429952. The cubic root of 1002564063 is about 1000.8539582145.

It can be divided in two parts, 10025 and 64063, that added together give a cube (74088 = 42³).

The spelling of 1002564063 in words is "one billion, two million, five hundred sixty-four thousand, sixty-three".