80615053 has 2 divisors, whose sum is σ = 80615054. Its totient is φ = 80615052.

The previous prime is 80615027. The next prime is 80615057. The reversal of 80615053 is 35051608.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41951529 + 38663524 = 6477^2 + 6218^2 .

It is a cyclic number.

It is not a de Polignac number, because 80615053 - 2⁵ = 80615021 is a prime.

It is equal to p_4703176 and since 80615053 and 4703176 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80615057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40307526 + 40307527.

It is an arithmetic number, because the mean of its divisors is an integer number (40307527).

Almost surely, 2^80615053 is an apocalyptic number.

It is an amenable number.

80615053 is a deficient number, since it is larger than the sum of its proper divisors (1).

80615053 is an equidigital number, since it uses as much as digits as its factorization.

80615053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 80615053 is about 8978.5885861866. The cubic root of 80615053 is about 431.9883630982.

The spelling of 80615053 in words is "eighty million, six hundred fifteen thousand, fifty-three".