561056705 has 16 divisors (see below), whose sum is σ = 738590400. Its totient is φ = 405754560.

The previous prime is 561056701. The next prime is 561056737. The reversal of 561056705 is 507650165.

It is not a de Polignac number, because 561056705 - 2² = 561056701 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (561056701) 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, 18650 + ... + 38339.

It is an arithmetic number, because the mean of its divisors is an integer number (46161900).

Almost surely, 2^561056705 is an apocalyptic number.

561056705 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

561056705 is a deficient number, since it is larger than the sum of its proper divisors (177533695).

561056705 is a wasteful number, since it uses less digits than its factorization.

561056705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57184.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 561056705 is about 23686.6355778950. The cubic root of 561056705 is about 824.7751845338.

The spelling of 561056705 in words is "five hundred sixty-one million, fifty-six thousand, seven hundred five".