351397 has 2 divisors, whose sum is σ = 351398. Its totient is φ = 351396.

The previous prime is 351391. The next prime is 351401. The reversal of 351397 is 793153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349281 + 2116 = 591^2 + 46^2 .

It is a cyclic number.

It is not a de Polignac number, because 351397 - 2⁷ = 351269 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 (351391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175698 + 175699.

It is an arithmetic number, because the mean of its divisors is an integer number (175699).

2³⁵¹³⁹⁷ is an apocalyptic number.

It is an amenable number.

351397 is a deficient number, since it is larger than the sum of its proper divisors (1).

351397 is an equidigital number, since it uses as much as digits as its factorization.

351397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2835, while the sum is 28.

The square root of 351397 is about 592.7874829988. The cubic root of 351397 is about 70.5666254793.

The spelling of 351397 in words is "three hundred fifty-one thousand, three hundred ninety-seven".