80540913 has 4 divisors (see below), whose sum is σ = 107387888. Its totient is φ = 53693940.

The previous prime is 80540899. The next prime is 80540969. The reversal of 80540913 is 31904508.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 80540913 - 2⁵ = 80540881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80540813) 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, 13423483 + ... + 13423488.

It is an arithmetic number, because the mean of its divisors is an integer number (26846972).

Almost surely, 2^80540913 is an apocalyptic number.

It is an amenable number.

80540913 is a deficient number, since it is larger than the sum of its proper divisors (26846975).

80540913 is a wasteful number, since it uses less digits than its factorization.

80540913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26846974.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 80540913 is about 8974.4589251943. The cubic root of 80540913 is about 431.8558922198.

The spelling of 80540913 in words is "eighty million, five hundred forty thousand, nine hundred thirteen".