80117525 has 6 divisors (see below), whose sum is σ = 99345762. Its totient is φ = 64094000.

The previous prime is 80117519. The next prime is 80117539. The reversal of 80117525 is 52571108.

It can be written as a sum of positive squares in 3 ways, for example, as 10745284 + 69372241 = 3278^2 + 8329^2 .

It is not a de Polignac number, because 80117525 - 2⁸ = 80117269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1602326 + ... + 1602375.

It is an arithmetic number, because the mean of its divisors is an integer number (16557627).

Almost surely, 2^80117525 is an apocalyptic number.

It is an amenable number.

80117525 is a deficient number, since it is larger than the sum of its proper divisors (19228237).

80117525 is a wasteful number, since it uses less digits than its factorization.

80117525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204711 (or 3204706 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 80117525 is about 8950.8393461172. The cubic root of 80117525 is about 431.0978347140.

The spelling of 80117525 in words is "eighty million, one hundred seventeen thousand, five hundred twenty-five".