80493531 has 16 divisors (see below), whose sum is σ = 111382560. Its totient is φ = 51645440.

The previous prime is 80493493. The next prime is 80493533. The reversal of 80493531 is 13539408.

It is a cyclic number.

It is not a de Polignac number, because 80493531 - 2¹⁰ = 80492507 is a prime.

It is a super-2 number, since 2×80493531² = 12958417065695922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80493492 and 80493501.

It is not an unprimeable number, because it can be changed into a prime (80493533) 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, 29401 + ... + 32021.

It is an arithmetic number, because the mean of its divisors is an integer number (6961410).

Almost surely, 2^80493531 is an apocalyptic number.

80493531 is a deficient number, since it is larger than the sum of its proper divisors (30889029).

80493531 is a wasteful number, since it uses less digits than its factorization.

80493531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3006.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 80493531 is about 8971.8187119446. The cubic root of 80493531 is about 431.7711890586.

The spelling of 80493531 in words is "eighty million, four hundred ninety-three thousand, five hundred thirty-one".