790530281 has 2 divisors, whose sum is σ = 790530282. Its totient is φ = 790530280.

The previous prime is 790530241. The next prime is 790530313. The reversal of 790530281 is 182035097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 421275625 + 369254656 = 20525^2 + 19216^2 .

It is an emirp because it is prime and its reverse (182035097) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-790530281 is a prime.

It is a super-2 number, since 2×790530281² = 1249876250355877922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (790530211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395265140 + 395265141.

It is an arithmetic number, because the mean of its divisors is an integer number (395265141).

Almost surely, 2^790530281 is an apocalyptic number.

It is an amenable number.

790530281 is a deficient number, since it is larger than the sum of its proper divisors (1).

790530281 is an equidigital number, since it uses as much as digits as its factorization.

790530281 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 790530281 is about 28116.3703382922. The cubic root of 790530281 is about 924.6403397458.

The spelling of 790530281 in words is "seven hundred ninety million, five hundred thirty thousand, two hundred eighty-one".