538875645 has 64 divisors (see below), whose sum is σ = 1095358464. Its totient is φ = 219697920.

The previous prime is 538875629. The next prime is 538875661. The reversal of 538875645 is 546578835.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (538875629) and next prime (538875661).

It is not a de Polignac number, because 538875645 - 2⁴ = 538875629 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56814 + ... + 65616.

It is an arithmetic number, because the mean of its divisors is an integer number (17114976).

Almost surely, 2^538875645 is an apocalyptic number.

538875645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

538875645 is an abundant number, since it is smaller than the sum of its proper divisors (556482819).

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

538875645 is a wasteful number, since it uses less digits than its factorization.

538875645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8882.

The product of its digits is 4032000, while the sum is 51.

The square root of 538875645 is about 23213.6952034785. The cubic root of 538875645 is about 813.7597128154.

The spelling of 538875645 in words is "five hundred thirty-eight million, eight hundred seventy-five thousand, six hundred forty-five".