561854264 has 32 divisors (see below), whose sum is σ = 1068772320. Its totient is φ = 276873216.

The previous prime is 561854257. The next prime is 561854269. The reversal of 561854264 is 462458165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561854269) 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, 202712 + ... + 205464.

It is an arithmetic number, because the mean of its divisors is an integer number (33399135).

Almost surely, 2^561854264 is an apocalyptic number.

It is an amenable number.

561854264 is a deficient number, since it is larger than the sum of its proper divisors (506918056).

561854264 is a wasteful number, since it uses less digits than its factorization.

561854264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3119 (or 3115 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 561854264 is about 23703.4652319023. The cubic root of 561854264 is about 825.1658137483.

The spelling of 561854264 in words is "five hundred sixty-one million, eight hundred fifty-four thousand, two hundred sixty-four".