561150065 has 16 divisors (see below), whose sum is σ = 794403840. Its totient is φ = 372375360.

The previous prime is 561150019. The next prime is 561150071. The reversal of 561150065 is 560051165.

561150065 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561150065 - 2¹⁴ = 561133681 is a prime.

It is a Curzon number.

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, 257510 + ... + 259679.

It is an arithmetic number, because the mean of its divisors is an integer number (49650240).

Almost surely, 2^561150065 is an apocalyptic number.

It is an amenable number.

561150065 is a deficient number, since it is larger than the sum of its proper divisors (233253775).

561150065 is a wasteful number, since it uses less digits than its factorization.

561150065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517232.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 561150065 is about 23688.6062274672. The cubic root of 561150065 is about 824.8209296073.

The spelling of 561150065 in words is "five hundred sixty-one million, one hundred fifty thousand, sixty-five".