561298595 has 16 divisors (see below), whose sum is σ = 791314272. Its totient is φ = 376815360.

The previous prime is 561298579. The next prime is 561298643. The reversal of 561298595 is 595892165.

561298595 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561298595 - 2⁴ = 561298579 is a prime.

It is a super-2 number, since 2×561298595² = 630112225497948050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391802 + ... + 393231.

It is an arithmetic number, because the mean of its divisors is an integer number (49457142).

Almost surely, 2^561298595 is an apocalyptic number.

561298595 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

561298595 is a deficient number, since it is larger than the sum of its proper divisors (230015677).

561298595 is a wasteful number, since it uses less digits than its factorization.

561298595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785062.

The product of its digits is 972000, while the sum is 50.

The square root of 561298595 is about 23691.7410715211. The cubic root of 561298595 is about 824.8936967409.

The spelling of 561298595 in words is "five hundred sixty-one million, two hundred ninety-eight thousand, five hundred ninety-five".