561435363 has 12 divisors (see below), whose sum is σ = 811191888. Its totient is φ = 374184240.

The previous prime is 561435349. The next prime is 561435367. The reversal of 561435363 is 363534165.

561435363 is a `hidden beast` number, since 5 + 614 + 3 + 5 + 36 + 3 = 666.

It is not a de Polignac number, because 561435363 - 2⁸ = 561435107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561435367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37498 + ... + 50288.

It is an arithmetic number, because the mean of its divisors is an integer number (67599324).

Almost surely, 2^561435363 is an apocalyptic number.

561435363 is a deficient number, since it is larger than the sum of its proper divisors (249756525).

561435363 is a wasteful number, since it uses less digits than its factorization.

561435363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17674 (or 17671 counting only the distinct ones).

The product of its digits is 97200, while the sum is 36.

The square root of 561435363 is about 23694.6273024076. The cubic root of 561435363 is about 824.9606901380.

The spelling of 561435363 in words is "five hundred sixty-one million, four hundred thirty-five thousand, three hundred sixty-three".