785352313 has 2 divisors, whose sum is σ = 785352314. Its totient is φ = 785352312.

The previous prime is 785352307. The next prime is 785352317. The reversal of 785352313 is 313253587.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 407555344 + 377796969 = 20188^2 + 19437^2 .

It is an emirp because it is prime and its reverse (313253587) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 785352313 - 2²⁵ = 751797881 is a prime.

It is not a weakly prime, because it can be changed into another prime (785352317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 392676156 + 392676157.

It is an arithmetic number, because the mean of its divisors is an integer number (392676157).

Almost surely, 2^785352313 is an apocalyptic number.

It is an amenable number.

785352313 is a deficient number, since it is larger than the sum of its proper divisors (1).

785352313 is an equidigital number, since it uses as much as digits as its factorization.

785352313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 37.

The square root of 785352313 is about 28024.1380420522. The cubic root of 785352313 is about 922.6171199433.

The spelling of 785352313 in words is "seven hundred eighty-five million, three hundred fifty-two thousand, three hundred thirteen".