561372703 has 4 divisors (see below), whose sum is σ = 561490000. Its totient is φ = 561255408.

The previous prime is 561372683. The next prime is 561372719. The reversal of 561372703 is 307273165.

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 561372703 - 2⁹ = 561372191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561372743) 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, 51150 + ... + 61147.

It is an arithmetic number, because the mean of its divisors is an integer number (140372500).

Almost surely, 2^561372703 is an apocalyptic number.

561372703 is a deficient number, since it is larger than the sum of its proper divisors (117297).

561372703 is a wasteful number, since it uses less digits than its factorization.

561372703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117296.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 561372703 is about 23693.3050248377. The cubic root of 561372703 is about 824.9299985907.

The spelling of 561372703 in words is "five hundred sixty-one million, three hundred seventy-two thousand, seven hundred three".