538116537 has 32 divisors (see below), whose sum is σ = 865612800. Its totient is φ = 290478528.

The previous prime is 538116511. The next prime is 538116559. The reversal of 538116537 is 735611835.

It is a happy number.

It is not a de Polignac number, because 538116537 - 2⁸ = 538116281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 538116495 and 538116504.

It is not an unprimeable number, because it can be changed into a prime (538116437) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153478 + ... + 156944.

It is an arithmetic number, because the mean of its divisors is an integer number (27050400).

Almost surely, 2^538116537 is an apocalyptic number.

538116537 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

538116537 is a deficient number, since it is larger than the sum of its proper divisors (327496263).

538116537 is a wasteful number, since it uses less digits than its factorization.

538116537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3885.

The product of its digits is 75600, while the sum is 39.

The square root of 538116537 is about 23197.3390068775. The cubic root of 538116537 is about 813.3774218949.

The spelling of 538116537 in words is "five hundred thirty-eight million, one hundred sixteen thousand, five hundred thirty-seven".