80475613 has 4 divisors (see below), whose sum is σ = 80569728. Its totient is φ = 80381500.

The previous prime is 80475607. The next prime is 80475623. The reversal of 80475613 is 31657408.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80475613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80475623) 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, 45763 + ... + 47488.

It is an arithmetic number, because the mean of its divisors is an integer number (20142432).

Almost surely, 2^80475613 is an apocalyptic number.

It is an amenable number.

80475613 is a deficient number, since it is larger than the sum of its proper divisors (94115).

80475613 is an equidigital number, since it uses as much as digits as its factorization.

80475613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94114.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 80475613 is about 8970.8200851427. The cubic root of 80475613 is about 431.7391490085.

The spelling of 80475613 in words is "eighty million, four hundred seventy-five thousand, six hundred thirteen".