561000507 has 8 divisors (see below), whose sum is σ = 763915776. Its totient is φ = 366042792.

The previous prime is 561000467. The next prime is 561000509. The reversal of 561000507 is 705000165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 561000507 - 2¹⁸ = 560738363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561000509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1989223 + ... + 1989504.

It is an arithmetic number, because the mean of its divisors is an integer number (95489472).

Almost surely, 2^561000507 is an apocalyptic number.

561000507 is a deficient number, since it is larger than the sum of its proper divisors (202915269).

561000507 is a wasteful number, since it uses less digits than its factorization.

561000507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978777.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 561000507 is about 23685.4492674300. The cubic root of 561000507 is about 824.7476458655.

The spelling of 561000507 in words is "five hundred sixty-one million, five hundred seven", and thus it is an aban number.