397063343 has 2 divisors, whose sum is σ = 397063344. Its totient is φ = 397063342.

The previous prime is 397063327. The next prime is 397063351. The reversal of 397063343 is 343360793.

It is a strong prime.

It is an emirp because it is prime and its reverse (343360793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 397063343 - 2⁴ = 397063327 is a prime.

It is a Sophie Germain prime.

It is equal to p_21187856 and since 397063343 and 21187856 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 397063297 and 397063306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397063313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198531671 + 198531672.

It is an arithmetic number, because the mean of its divisors is an integer number (198531672).

Almost surely, 2^397063343 is an apocalyptic number.

397063343 is a deficient number, since it is larger than the sum of its proper divisors (1).

397063343 is an equidigital number, since it uses as much as digits as its factorization.

397063343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 38.

The square root of 397063343 is about 19926.4483287916. The cubic root of 397063343 is about 734.9987461993.

The spelling of 397063343 in words is "three hundred ninety-seven million, sixty-three thousand, three hundred forty-three".