80841531 has 16 divisors (see below), whose sum is σ = 113340960. Its totient is φ = 51179520.

The previous prime is 80841529. The next prime is 80841557. The reversal of 80841531 is 13514808.

It is not a de Polignac number, because 80841531 - 2¹ = 80841529 is a prime.

It is a super-2 number, since 2×80841531² = 13070706268847922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80841571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2310 + ... + 12923.

It is an arithmetic number, because the mean of its divisors is an integer number (7083810).

Almost surely, 2^80841531 is an apocalyptic number.

80841531 is a deficient number, since it is larger than the sum of its proper divisors (32499429).

80841531 is a wasteful number, since it uses less digits than its factorization.

80841531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15326.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 80841531 is about 8991.1918564782. The cubic root of 80841531 is about 432.3925241092.

The spelling of 80841531 in words is "eighty million, eight hundred forty-one thousand, five hundred thirty-one".