561056703 has 4 divisors (see below), whose sum is σ = 748075608. Its totient is φ = 374037800.

The previous prime is 561056701. The next prime is 561056737. The reversal of 561056703 is 307650165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 561056703 - 2¹ = 561056701 is a prime.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 93509448 + ... + 93509453.

It is an arithmetic number, because the mean of its divisors is an integer number (187018902).

Almost surely, 2^561056703 is an apocalyptic number.

561056703 is a deficient number, since it is larger than the sum of its proper divisors (187018905).

561056703 is a wasteful number, since it uses less digits than its factorization.

561056703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187018904.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 561056703 is about 23686.6355356771. The cubic root of 561056703 is about 824.7751835538.

The spelling of 561056703 in words is "five hundred sixty-one million, fifty-six thousand, seven hundred three".