561265614 has 48 divisors (see below), whose sum is σ = 1496712672. Its totient is φ = 148025664.

The previous prime is 561265613. The next prime is 561265667. The reversal of 561265614 is 416562165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561265613) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169689 + ... + 172964.

It is an arithmetic number, because the mean of its divisors is an integer number (31181514).

Almost surely, 2^561265614 is an apocalyptic number.

561265614 is an abundant number, since it is smaller than the sum of its proper divisors (935447058).

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

561265614 is a wasteful number, since it uses less digits than its factorization.

561265614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342681 (or 342678 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 561265614 is about 23691.0450170523. The cubic root of 561265614 is about 824.8775399501.

The spelling of 561265614 in words is "five hundred sixty-one million, two hundred sixty-five thousand, six hundred fourteen".