80537801 has 2 divisors, whose sum is σ = 80537802. Its totient is φ = 80537800.

The previous prime is 80537767. The next prime is 80537803. The reversal of 80537801 is 10873508.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79192201 + 1345600 = 8899^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 80537801 - 2²⁶ = 13428937 is a prime.

Together with 80537803, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80537803) 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, 40268900 + 40268901.

It is an arithmetic number, because the mean of its divisors is an integer number (40268901).

Almost surely, 2^80537801 is an apocalyptic number.

It is an amenable number.

80537801 is a deficient number, since it is larger than the sum of its proper divisors (1).

80537801 is an equidigital number, since it uses as much as digits as its factorization.

80537801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 80537801 is about 8974.2855425933. The cubic root of 80537801 is about 431.8503300246.

The spelling of 80537801 in words is "eighty million, five hundred thirty-seven thousand, eight hundred one".