80495237 has 2 divisors, whose sum is σ = 80495238. Its totient is φ = 80495236.

The previous prime is 80495203. The next prime is 80495243. The reversal of 80495237 is 73259408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78872161 + 1623076 = 8881^2 + 1274^2 .

It is a cyclic number.

It is not a de Polignac number, because 80495237 - 2²² = 76300933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80495237.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80495257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40247618 + 40247619.

It is an arithmetic number, because the mean of its divisors is an integer number (40247619).

Almost surely, 2^80495237 is an apocalyptic number.

It is an amenable number.

80495237 is a deficient number, since it is larger than the sum of its proper divisors (1).

80495237 is an equidigital number, since it uses as much as digits as its factorization.

80495237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 80495237 is about 8971.9137869242. The cubic root of 80495237 is about 431.7742393925.

The spelling of 80495237 in words is "eighty million, four hundred ninety-five thousand, two hundred thirty-seven".