397585063 has 2 divisors, whose sum is σ = 397585064. Its totient is φ = 397585062.

The previous prime is 397585049. The next prime is 397585081. The reversal of 397585063 is 360585793.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 397585063 - 2⁵ = 397585031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397585003) 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, 198792531 + 198792532.

It is an arithmetic number, because the mean of its divisors is an integer number (198792532).

Almost surely, 2^397585063 is an apocalyptic number.

397585063 is a deficient number, since it is larger than the sum of its proper divisors (1).

397585063 is an equidigital number, since it uses as much as digits as its factorization.

397585063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 397585063 is about 19939.5351751238. The cubic root of 397585063 is about 735.3205216581.

The spelling of 397585063 in words is "three hundred ninety-seven million, five hundred eighty-five thousand, sixty-three".