518065272 has 24 divisors (see below), whose sum is σ = 1403093640. Its totient is φ = 172688400.

The previous prime is 518065237. The next prime is 518065277. The reversal of 518065272 is 272560815.

It is a happy number.

518065272 is a `hidden beast` number, since 51 + 80 + 6 + 527 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518065277) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3597604 + ... + 3597747.

It is an arithmetic number, because the mean of its divisors is an integer number (58462235).

Almost surely, 2^518065272 is an apocalyptic number.

It is an amenable number.

518065272 is an abundant number, since it is smaller than the sum of its proper divisors (885028368).

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

518065272 is a wasteful number, since it uses less digits than its factorization.

518065272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7195363 (or 7195356 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 518065272 is about 22761.0472518292. The cubic root of 518065272 is about 803.1466032171.

The spelling of 518065272 in words is "five hundred eighteen million, sixty-five thousand, two hundred seventy-two".