80415437 has 2 divisors, whose sum is σ = 80415438. Its totient is φ = 80415436.

The previous prime is 80415427. The next prime is 80415481. The reversal of 80415437 is 73451408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79192201 + 1223236 = 8899^2 + 1106^2 .

It is a cyclic number.

It is not a de Polignac number, because 80415437 - 2¹⁶ = 80349901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80415427) 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, 40207718 + 40207719.

It is an arithmetic number, because the mean of its divisors is an integer number (40207719).

Almost surely, 2^80415437 is an apocalyptic number.

It is an amenable number.

80415437 is a deficient number, since it is larger than the sum of its proper divisors (1).

80415437 is an equidigital number, since it uses as much as digits as its factorization.

80415437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 80415437 is about 8967.4654724733. The cubic root of 80415437 is about 431.6315105477.

The spelling of 80415437 in words is "eighty million, four hundred fifteen thousand, four hundred thirty-seven".