397130963 has 2 divisors, whose sum is σ = 397130964. Its totient is φ = 397130962.

The previous prime is 397130941. The next prime is 397130969. The reversal of 397130963 is 369031793.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 397130963 - 2¹⁰ = 397129939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 397130963.

It is not a weakly prime, because it can be changed into another prime (397130969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198565481 + 198565482.

It is an arithmetic number, because the mean of its divisors is an integer number (198565482).

Almost surely, 2^397130963 is an apocalyptic number.

397130963 is a deficient number, since it is larger than the sum of its proper divisors (1).

397130963 is an equidigital number, since it uses as much as digits as its factorization.

397130963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 41.

The square root of 397130963 is about 19928.1449964617. The cubic root of 397130963 is about 735.0404673294.

The spelling of 397130963 in words is "three hundred ninety-seven million, one hundred thirty thousand, nine hundred sixty-three".