80652531 has 4 divisors (see below), whose sum is σ = 107536712. Its totient is φ = 53768352.

The previous prime is 80652503. The next prime is 80652541. The reversal of 80652531 is 13525608.

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

It is not a de Polignac number, because 80652531 - 2⁵ = 80652499 is a prime.

It is a super-2 number, since 2×80652531² = 13009661513411922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80652541) 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, 13442086 + ... + 13442091.

It is an arithmetic number, because the mean of its divisors is an integer number (26884178).

Almost surely, 2^80652531 is an apocalyptic number.

80652531 is a deficient number, since it is larger than the sum of its proper divisors (26884181).

80652531 is a wasteful number, since it uses less digits than its factorization.

80652531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26884180.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 80652531 is about 8980.6754200338. The cubic root of 80652531 is about 432.0552966339.

The spelling of 80652531 in words is "eighty million, six hundred fifty-two thousand, five hundred thirty-one".