802140541 has 2 divisors, whose sum is σ = 802140542. Its totient is φ = 802140540.

The previous prime is 802140511. The next prime is 802140583. The reversal of 802140541 is 145041208.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 701720100 + 100420441 = 26490^2 + 10021^2 .

It is a cyclic number.

It is not a de Polignac number, because 802140541 - 2²⁵ = 768586109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802140511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401070270 + 401070271.

It is an arithmetic number, because the mean of its divisors is an integer number (401070271).

Almost surely, 2^802140541 is an apocalyptic number.

It is an amenable number.

802140541 is a deficient number, since it is larger than the sum of its proper divisors (1).

802140541 is an equidigital number, since it uses as much as digits as its factorization.

802140541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 802140541 is about 28322.0857459333. The cubic root of 802140541 is about 929.1449886349.

Adding to 802140541 its reverse (145041208), we get a palindrome (947181749).

The spelling of 802140541 in words is "eight hundred two million, one hundred forty thousand, five hundred forty-one".