80406213 has 4 divisors (see below), whose sum is σ = 107208288. Its totient is φ = 53604140.

The previous prime is 80406199. The next prime is 80406223. The reversal of 80406213 is 31260408.

It is a happy number.

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 not a de Polignac number, because 80406213 - 2⁴ = 80406197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80406223) 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, 13401033 + ... + 13401038.

It is an arithmetic number, because the mean of its divisors is an integer number (26802072).

Almost surely, 2^80406213 is an apocalyptic number.

It is an amenable number.

80406213 is a deficient number, since it is larger than the sum of its proper divisors (26802075).

80406213 is a wasteful number, since it uses less digits than its factorization.

80406213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26802074.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 80406213 is about 8966.9511540991. The cubic root of 80406213 is about 431.6150065801.

The spelling of 80406213 in words is "eighty million, four hundred six thousand, two hundred thirteen".