397065359 has 2 divisors, whose sum is σ = 397065360. Its totient is φ = 397065358.

The previous prime is 397065313. The next prime is 397065371. The reversal of 397065359 is 953560793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397065359 - 2¹² = 397061263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397065959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198532679 + 198532680.

It is an arithmetic number, because the mean of its divisors is an integer number (198532680).

Almost surely, 2^397065359 is an apocalyptic number.

397065359 is a deficient number, since it is larger than the sum of its proper divisors (1).

397065359 is an equidigital number, since it uses as much as digits as its factorization.

397065359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 765450, while the sum is 47.

The square root of 397065359 is about 19926.4989147617. The cubic root of 397065359 is about 734.9999901276. Note that the first 5 decimals are identical.

The spelling of 397065359 in words is "three hundred ninety-seven million, sixty-five thousand, three hundred fifty-nine".