397093001 has 2 divisors, whose sum is σ = 397093002. Its totient is φ = 397093000.

The previous prime is 397092979. The next prime is 397093019. The reversal of 397093001 is 100390793.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 217533001 + 179560000 = 14749^2 + 13400^2 .

It is an emirp because it is prime and its reverse (100390793) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-397093001 is a prime.

It is not a weakly prime, because it can be changed into another prime (397093051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198546500 + 198546501.

It is an arithmetic number, because the mean of its divisors is an integer number (198546501).

Almost surely, 2^397093001 is an apocalyptic number.

It is an amenable number.

397093001 is a deficient number, since it is larger than the sum of its proper divisors (1).

397093001 is an equidigital number, since it uses as much as digits as its factorization.

397093001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5103, while the sum is 32.

The square root of 397093001 is about 19927.1925017048. The cubic root of 397093001 is about 735.0170455886.

The spelling of 397093001 in words is "three hundred ninety-seven million, ninety-three thousand, one".