80624413 has 2 divisors, whose sum is σ = 80624414. Its totient is φ = 80624412.

The previous prime is 80624351. The next prime is 80624419. The reversal of 80624413 is 31442608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78889924 + 1734489 = 8882^2 + 1317^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80624413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80624419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40312206 + 40312207.

It is an arithmetic number, because the mean of its divisors is an integer number (40312207).

Almost surely, 2^80624413 is an apocalyptic number.

It is an amenable number.

80624413 is a deficient number, since it is larger than the sum of its proper divisors (1).

80624413 is an equidigital number, since it uses as much as digits as its factorization.

80624413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 80624413 is about 8979.1098111116. The cubic root of 80624413 is about 432.0050814589.

The spelling of 80624413 in words is "eighty million, six hundred twenty-four thousand, four hundred thirteen".