80594641 has 2 divisors, whose sum is σ = 80594642. Its totient is φ = 80594640.

The previous prime is 80594639. The next prime is 80594663. The reversal of 80594641 is 14649508.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65610000 + 14984641 = 8100^2 + 3871^2 .

It is a cyclic number.

It is not a de Polignac number, because 80594641 - 2¹ = 80594639 is a prime.

Together with 80594639, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 80594641.

It is not a weakly prime, because it can be changed into another prime (80594441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40297320 + 40297321.

It is an arithmetic number, because the mean of its divisors is an integer number (40297321).

Almost surely, 2^80594641 is an apocalyptic number.

It is an amenable number.

80594641 is a deficient number, since it is larger than the sum of its proper divisors (1).

80594641 is an equidigital number, since it uses as much as digits as its factorization.

80594641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 80594641 is about 8977.4518099514. The cubic root of 80594641 is about 431.9518997229.

The spelling of 80594641 in words is "eighty million, five hundred ninety-four thousand, six hundred forty-one".