561010506 has 48 divisors (see below), whose sum is σ = 1381997376. Its totient is φ = 150858624.

The previous prime is 561010477. The next prime is 561010553. The reversal of 561010506 is 605010165.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51126 + ... + 61121.

It is an arithmetic number, because the mean of its divisors is an integer number (28791612).

Almost surely, 2^561010506 is an apocalyptic number.

561010506 is an abundant number, since it is smaller than the sum of its proper divisors (820986870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561010506 is a wasteful number, since it uses less digits than its factorization.

561010506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112283 (or 112276 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 561010506 is about 23685.6603454495. The cubic root of 561010506 is about 824.7525458033.

The spelling of 561010506 in words is "five hundred sixty-one million, ten thousand, five hundred six".