92521212517 has 4 divisors (see below), whose sum is σ = 92918299500. Its totient is φ = 92124125536.

The previous prime is 92521212493. The next prime is 92521212521. The reversal of 92521212517 is 71521212529.

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 27924415236 + 64596797281 = 167106^2 + 254159^2 .

It is a cyclic number.

It is not a de Polignac number, because 92521212517 - 2⁷ = 92521212389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (92521212547) 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, 198543142 + ... + 198543607.

It is an arithmetic number, because the mean of its divisors is an integer number (23229574875).

Almost surely, 2^92521212517 is an apocalyptic number.

It is an amenable number.

92521212517 is a deficient number, since it is larger than the sum of its proper divisors (397086983).

92521212517 is a wasteful number, since it uses less digits than its factorization.

92521212517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397086982.

The product of its digits is 25200, while the sum is 37.

The spelling of 92521212517 in words is "ninety-two billion, five hundred twenty-one million, two hundred twelve thousand, five hundred seventeen".