802530791 has 2 divisors, whose sum is σ = 802530792. Its totient is φ = 802530790.

The previous prime is 802530787. The next prime is 802530811. The reversal of 802530791 is 197035208.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 802530791 - 2² = 802530787 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802530991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401265395 + 401265396.

It is an arithmetic number, because the mean of its divisors is an integer number (401265396).

Almost surely, 2^802530791 is an apocalyptic number.

802530791 is a deficient number, since it is larger than the sum of its proper divisors (1).

802530791 is an equidigital number, since it uses as much as digits as its factorization.

802530791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 802530791 is about 28328.9744078391. The cubic root of 802530791 is about 929.2956438823.

Adding to 802530791 its reverse (197035208), we get a palindrome (999565999).

The spelling of 802530791 in words is "eight hundred two million, five hundred thirty thousand, seven hundred ninety-one".