538422465 has 32 divisors (see below), whose sum is σ = 998424576. Its totient is φ = 242665920.

The previous prime is 538422457. The next prime is 538422503. The reversal of 538422465 is 564224835.

It is not a de Polignac number, because 538422465 - 2³ = 538422457 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28657 + ... + 43566.

It is an arithmetic number, because the mean of its divisors is an integer number (31200768).

Almost surely, 2^538422465 is an apocalyptic number.

It is an amenable number.

538422465 is a deficient number, since it is larger than the sum of its proper divisors (460002111).

538422465 is a wasteful number, since it uses less digits than its factorization.

538422465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72309.

The product of its digits is 230400, while the sum is 39.

The square root of 538422465 is about 23203.9321021244. The cubic root of 538422465 is about 813.5315321233.

The spelling of 538422465 in words is "five hundred thirty-eight million, four hundred twenty-two thousand, four hundred sixty-five".