116533537 has 4 divisors (see below), whose sum is σ = 116812080. Its totient is φ = 116254996.

The previous prime is 116533511. The next prime is 116533541. The reversal of 116533537 is 735335611.

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 a cyclic number.

It is not a de Polignac number, because 116533537 - 2¹⁹ = 116009249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116533567) 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, 138643 + ... + 139480.

It is an arithmetic number, because the mean of its divisors is an integer number (29203020).

Almost surely, 2^116533537 is an apocalyptic number.

It is an amenable number.

116533537 is a deficient number, since it is larger than the sum of its proper divisors (278543).

116533537 is an equidigital number, since it uses as much as digits as its factorization.

116533537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278542.

The product of its digits is 28350, while the sum is 34.

The square root of 116533537 is about 10795.0700321953. The cubic root of 116533537 is about 488.4464708786.

The spelling of 116533537 in words is "one hundred sixteen million, five hundred thirty-three thousand, five hundred thirty-seven".