561059562 has 32 divisors (see below), whose sum is σ = 1338181632. Its totient is φ = 153332784.

The previous prime is 561059557. The next prime is 561059567. The reversal of 561059562 is 265950165.

It is an interprime number because it is at equal distance from previous prime (561059557) and next prime (561059567).

It is a super-2 number, since 2×561059562² = 629575664223263688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 561059562.

It is not an unprimeable number, because it can be changed into a prime (561059567) 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, 289438 + ... + 291369.

It is an arithmetic number, because the mean of its divisors is an integer number (41818176).

Almost surely, 2^561059562 is an apocalyptic number.

561059562 is an abundant number, since it is smaller than the sum of its proper divisors (777122070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561059562 is a wasteful number, since it uses less digits than its factorization.

561059562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580842.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 561059562 is about 23686.6958860876. The cubic root of 561059562 is about 824.7765844985.

The spelling of 561059562 in words is "five hundred sixty-one million, fifty-nine thousand, five hundred sixty-two".