396569513 has 2 divisors, whose sum is σ = 396569514. Its totient is φ = 396569512.

The previous prime is 396569477. The next prime is 396569527. The reversal of 396569513 is 315965693.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212343184 + 184226329 = 14572^2 + 13573^2 .

It is a cyclic number.

It is not a de Polignac number, because 396569513 - 2¹² = 396565417 is a prime.

It is not a weakly prime, because it can be changed into another prime (396569573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198284756 + 198284757.

It is an arithmetic number, because the mean of its divisors is an integer number (198284757).

Almost surely, 2^396569513 is an apocalyptic number.

It is an amenable number.

396569513 is a deficient number, since it is larger than the sum of its proper divisors (1).

396569513 is an equidigital number, since it uses as much as digits as its factorization.

396569513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 656100, while the sum is 47.

The square root of 396569513 is about 19914.0531534894. The cubic root of 396569513 is about 734.6939123779.

The spelling of 396569513 in words is "three hundred ninety-six million, five hundred sixty-nine thousand, five hundred thirteen".