563120451 has 16 divisors (see below), whose sum is σ = 835362720. Its totient is φ = 374914080.

The previous prime is 563120429. The next prime is 563120479. The reversal of 563120451 is 154021365.

563120451 is a `hidden beast` number, since 5 + 631 + 20 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 563120451 - 2⁵ = 563120419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (563120251) 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, 7381 + ... + 34361.

It is an arithmetic number, because the mean of its divisors is an integer number (52210170).

Almost surely, 2^563120451 is an apocalyptic number.

563120451 is a deficient number, since it is larger than the sum of its proper divisors (272242269).

563120451 is a wasteful number, since it uses less digits than its factorization.

563120451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27763 (or 27757 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 563120451 is about 23730.1591018687. The cubic root of 563120451 is about 825.7852094497.

The spelling of 563120451 in words is "five hundred sixty-three million, one hundred twenty thousand, four hundred fifty-one".