561073460 has 24 divisors (see below), whose sum is σ = 1205657376. Its totient is φ = 219209760.

The previous prime is 561073459. The next prime is 561073481. The reversal of 561073460 is 64370165.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 325346 + ... + 327065.

It is an arithmetic number, because the mean of its divisors is an integer number (50235724).

Almost surely, 2^561073460 is an apocalyptic number.

It is an amenable number.

561073460 is an abundant number, since it is smaller than the sum of its proper divisors (644583916).

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

561073460 is a wasteful number, since it uses less digits than its factorization.

561073460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652463 (or 652461 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 561073460 is about 23686.9892557074. The cubic root of 561073460 is about 824.7833946193.

The spelling of 561073460 in words is "five hundred sixty-one million, seventy-three thousand, four hundred sixty".