561064362 has 32 divisors (see below), whose sum is σ = 1191402432. Its totient is φ = 175536384.

The previous prime is 561064303. The next prime is 561064423. The reversal of 561064362 is 263460165.

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 15 ways as a sum of consecutive naturals, for example, 30673 + ... + 45419.

It is an arithmetic number, because the mean of its divisors is an integer number (37231326).

Almost surely, 2^561064362 is an apocalyptic number.

561064362 is an abundant number, since it is smaller than the sum of its proper divisors (630338070).

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

561064362 is a wasteful number, since it uses less digits than its factorization.

561064362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15142.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 561064362 is about 23686.7972085717. The cubic root of 561064362 is about 824.7789365460.

The spelling of 561064362 in words is "five hundred sixty-one million, sixty-four thousand, three hundred sixty-two".