560991258 has 96 divisors (see below), whose sum is σ = 1299916800. Its totient is φ = 181258560.

The previous prime is 560991253. The next prime is 560991259. The reversal of 560991258 is 852199065.

It is a super-2 number, since 2×560991258² = 629422383104845128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (560991253) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3764968 + ... + 3765116.

It is an arithmetic number, because the mean of its divisors is an integer number (13540800).

Almost surely, 2^560991258 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 560991258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649958400).

560991258 is an abundant number, since it is smaller than the sum of its proper divisors (738925542).

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

560991258 is a wasteful number, since it uses less digits than its factorization.

560991258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 342 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 45.

The square root of 560991258 is about 23685.2540201704. The cubic root of 560991258 is about 824.7431134080.

The spelling of 560991258 in words is "five hundred sixty million, nine hundred ninety-one thousand, two hundred fifty-eight".