538489137 has 4 divisors (see below), whose sum is σ = 717985520. Its totient is φ = 358992756.

The previous prime is 538489123. The next prime is 538489141. The reversal of 538489137 is 731984835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 538489137 - 2⁶ = 538489073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538489837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89748187 + ... + 89748192.

It is an arithmetic number, because the mean of its divisors is an integer number (179496380).

Almost surely, 2^538489137 is an apocalyptic number.

It is an amenable number.

538489137 is a deficient number, since it is larger than the sum of its proper divisors (179496383).

538489137 is a wasteful number, since it uses less digits than its factorization.

538489137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179496382.

The product of its digits is 725760, while the sum is 48.

The square root of 538489137 is about 23205.3687107100. The cubic root of 538489137 is about 813.5651101772.

The spelling of 538489137 in words is "five hundred thirty-eight million, four hundred eighty-nine thousand, one hundred thirty-seven".