802318541 has 2 divisors, whose sum is σ = 802318542. Its totient is φ = 802318540.

The previous prime is 802318537. The next prime is 802318571. The reversal of 802318541 is 145813208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695113225 + 107205316 = 26365^2 + 10354^2 .

It is a cyclic number.

It is not a de Polignac number, because 802318541 - 2² = 802318537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 802318498 and 802318507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802318571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401159270 + 401159271.

It is an arithmetic number, because the mean of its divisors is an integer number (401159271).

Almost surely, 2^802318541 is an apocalyptic number.

It is an amenable number.

802318541 is a deficient number, since it is larger than the sum of its proper divisors (1).

802318541 is an equidigital number, since it uses as much as digits as its factorization.

802318541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 802318541 is about 28325.2279955520. The cubic root of 802318541 is about 929.2137112455.

The spelling of 802318541 in words is "eight hundred two million, three hundred eighteen thousand, five hundred forty-one".