538865001 has 16 divisors (see below), whose sum is σ = 802785600. Its totient is φ = 357233184.

The previous prime is 538864993. The next prime is 538865039. The reversal of 538865001 is 100568835.

It is not a de Polignac number, because 538865001 - 2³ = 538864993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (538865051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50916 + ... + 60581.

It is an arithmetic number, because the mean of its divisors is an integer number (50174100).

Almost surely, 2^538865001 is an apocalyptic number.

It is an amenable number.

538865001 is a deficient number, since it is larger than the sum of its proper divisors (263920599).

538865001 is a wasteful number, since it uses less digits than its factorization.

538865001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111685 (or 111679 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 538865001 is about 23213.4659411299. The cubic root of 538865001 is about 813.7543549216.

The spelling of 538865001 in words is "five hundred thirty-eight million, eight hundred sixty-five thousand, one".