397253 has 2 divisors, whose sum is σ = 397254. Its totient is φ = 397252.

The previous prime is 397237. The next prime is 397259. The reversal of 397253 is 352793.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209764 + 187489 = 458^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 397253 - 2⁴ = 397237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (397259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 198626 + 198627.

It is an arithmetic number, because the mean of its divisors is an integer number (198627).

2³⁹⁷²⁵³ is an apocalyptic number.

It is an amenable number.

397253 is a deficient number, since it is larger than the sum of its proper divisors (1).

397253 is an equidigital number, since it uses as much as digits as its factorization.

397253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 29.

The square root of 397253 is about 630.2800964651. The cubic root of 397253 is about 73.5115751434.

The spelling of 397253 in words is "three hundred ninety-seven thousand, two hundred fifty-three".