80395531 has 2 divisors, whose sum is σ = 80395532. Its totient is φ = 80395530.

The previous prime is 80395519. The next prime is 80395559. The reversal of 80395531 is 13559308.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 80395531 - 2¹¹ = 80393483 is a prime.

It is a super-2 number, since 2×80395531² = 12926882809543922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80395031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40197765 + 40197766.

It is an arithmetic number, because the mean of its divisors is an integer number (40197766).

Almost surely, 2^80395531 is an apocalyptic number.

80395531 is a deficient number, since it is larger than the sum of its proper divisors (1).

80395531 is an equidigital number, since it uses as much as digits as its factorization.

80395531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 80395531 is about 8966.3555026555. The cubic root of 80395531 is about 431.5958923205.

The spelling of 80395531 in words is "eighty million, three hundred ninety-five thousand, five hundred thirty-one".