561127506 has 16 divisors (see below), whose sum is σ = 1122487200. Its totient is φ = 187003808.

The previous prime is 561127499. The next prime is 561127507. The reversal of 561127506 is 605721165.

It is not an unprimeable number, because it can be changed into a prime (561127507) 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, 51550 + ... + 61478.

It is an arithmetic number, because the mean of its divisors is an integer number (70155450).

Almost surely, 2^561127506 is an apocalyptic number.

561127506 is an abundant number, since it is smaller than the sum of its proper divisors (561359694).

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

561127506 is a wasteful number, since it uses less digits than its factorization.

561127506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19353.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 561127506 is about 23688.1300654990. The cubic root of 561127506 is about 824.8098764827.

The spelling of 561127506 in words is "five hundred sixty-one million, one hundred twenty-seven thousand, five hundred six".