397133063 has 2 divisors, whose sum is σ = 397133064. Its totient is φ = 397133062.

The previous prime is 397133059. The next prime is 397133069. The reversal of 397133063 is 360331793.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397133063 - 2² = 397133059 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397133069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198566531 + 198566532.

It is an arithmetic number, because the mean of its divisors is an integer number (198566532).

Almost surely, 2^397133063 is an apocalyptic number.

397133063 is a deficient number, since it is larger than the sum of its proper divisors (1).

397133063 is an equidigital number, since it uses as much as digits as its factorization.

397133063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 35.

The square root of 397133063 is about 19928.1976856915. The cubic root of 397133063 is about 735.0417629408.

The spelling of 397133063 in words is "three hundred ninety-seven million, one hundred thirty-three thousand, sixty-three".