396317513 has 2 divisors, whose sum is σ = 396317514. Its totient is φ = 396317512.

The previous prime is 396317491. The next prime is 396317533. The reversal of 396317513 is 315713693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 344362249 + 51955264 = 18557^2 + 7208^2 .

It is an emirp because it is prime and its reverse (315713693) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-396317513 is a prime.

It is a super-2 number, since 2×396317513² = 314135142221010338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (396317533) 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, 198158756 + 198158757.

It is an arithmetic number, because the mean of its divisors is an integer number (198158757).

Almost surely, 2^396317513 is an apocalyptic number.

It is an amenable number.

396317513 is a deficient number, since it is larger than the sum of its proper divisors (1).

396317513 is an equidigital number, since it uses as much as digits as its factorization.

396317513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 38.

The square root of 396317513 is about 19907.7249579152. The cubic root of 396317513 is about 734.5382590477.

The spelling of 396317513 in words is "three hundred ninety-six million, three hundred seventeen thousand, five hundred thirteen".