361264563 has 16 divisors (see below), whose sum is σ = 583862400. Its totient is φ = 218948040.

The previous prime is 361264549. The next prime is 361264567. The reversal of 361264563 is 365462163.

361264563 is a `hidden beast` number, since 3 + 6 + 1 + 2 + 645 + 6 + 3 = 666.

It is not a de Polignac number, because 361264563 - 2⁵ = 361264531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (361264567) 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, 607893 + ... + 608486.

It is an arithmetic number, because the mean of its divisors is an integer number (36491400).

Almost surely, 2^361264563 is an apocalyptic number.

361264563 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

361264563 is a deficient number, since it is larger than the sum of its proper divisors (222597837).

361264563 is a wasteful number, since it uses less digits than its factorization.

361264563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1216399 (or 1216393 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 361264563 is about 19006.9609090985. The cubic root of 361264563 is about 712.2106348516.

The spelling of 361264563 in words is "three hundred sixty-one million, two hundred sixty-four thousand, five hundred sixty-three".