561162299 has 4 divisors (see below), whose sum is σ = 594171864. Its totient is φ = 528152736.

The previous prime is 561162271. The next prime is 561162317. The reversal of 561162299 is 992261165.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-561162299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561162229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16504757 + ... + 16504790.

It is an arithmetic number, because the mean of its divisors is an integer number (148542966).

Almost surely, 2^561162299 is an apocalyptic number.

561162299 is a deficient number, since it is larger than the sum of its proper divisors (33009565).

561162299 is a wasteful number, since it uses less digits than its factorization.

561162299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33009564.

The product of its digits is 58320, while the sum is 41.

The square root of 561162299 is about 23688.8644514675. The cubic root of 561162299 is about 824.8269237175.

The spelling of 561162299 in words is "five hundred sixty-one million, one hundred sixty-two thousand, two hundred ninety-nine".