561300113 has 16 divisors (see below), whose sum is σ = 627720192. Its totient is φ = 497490000.

The previous prime is 561300107. The next prime is 561300121. The reversal of 561300113 is 311003165.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 561300113 - 2²⁴ = 544522897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561300013) 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, 487088 + ... + 488238.

It is an arithmetic number, because the mean of its divisors is an integer number (39232512).

Almost surely, 2^561300113 is an apocalyptic number.

It is an amenable number.

561300113 is a deficient number, since it is larger than the sum of its proper divisors (66420079).

561300113 is a wasteful number, since it uses less digits than its factorization.

561300113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 561300113 is about 23691.7731079799. The cubic root of 561300113 is about 824.8944403662.

Adding to 561300113 its reverse (311003165), we get a palindrome (872303278).

The spelling of 561300113 in words is "five hundred sixty-one million, three hundred thousand, one hundred thirteen".