561065330 has 32 divisors (see below), whose sum is σ = 1156204800. Its totient is φ = 192029760.

The previous prime is 561065317. The next prime is 561065387. The reversal of 561065330 is 33560165.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 561065293 and 561065302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35240 + ... + 48620.

It is an arithmetic number, because the mean of its divisors is an integer number (36131400).

Almost surely, 2^561065330 is an apocalyptic number.

561065330 is an abundant number, since it is smaller than the sum of its proper divisors (595139470).

561065330 is a wasteful number, since it uses less digits than its factorization.

561065330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13994.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 561065330 is about 23686.8176418868. The cubic root of 561065330 is about 824.7794108740.

The spelling of 561065330 in words is "five hundred sixty-one million, sixty-five thousand, three hundred thirty".