116525021 has 4 divisors (see below), whose sum is σ = 123379452. Its totient is φ = 109670592.

The previous prime is 116524999. The next prime is 116525023. The reversal of 116525021 is 120525611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87516025 + 29008996 = 9355^2 + 5386^2 .

It is a cyclic number.

It is not a de Polignac number, because 116525021 - 2¹⁸ = 116262877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116525023) 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, 3427190 + ... + 3427223.

It is an arithmetic number, because the mean of its divisors is an integer number (30844863).

Almost surely, 2^116525021 is an apocalyptic number.

It is an amenable number.

116525021 is a deficient number, since it is larger than the sum of its proper divisors (6854431).

116525021 is an equidigital number, since it uses as much as digits as its factorization.

116525021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6854430.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 116525021 is about 10794.6755856765. The cubic root of 116525021 is about 488.4345724112.

The spelling of 116525021 in words is "one hundred sixteen million, five hundred twenty-five thousand, twenty-one".