351162397 has 2 divisors, whose sum is σ = 351162398. Its totient is φ = 351162396.

The previous prime is 351162349. The next prime is 351162403. The reversal of 351162397 is 793261153.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211237156 + 139925241 = 14534^2 + 11829^2 .

It is a cyclic number.

It is not a de Polignac number, because 351162397 - 2⁷ = 351162269 is a prime.

It is equal to p_18862561 and since 351162397 and 18862561 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (351162307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175581198 + 175581199.

It is an arithmetic number, because the mean of its divisors is an integer number (175581199).

Almost surely, 2^351162397 is an apocalyptic number.

It is an amenable number.

351162397 is a deficient number, since it is larger than the sum of its proper divisors (1).

351162397 is an equidigital number, since it uses as much as digits as its factorization.

351162397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 37.

The square root of 351162397 is about 18739.3275493012. The cubic root of 351162397 is about 705.5091786309.

The spelling of 351162397 in words is "three hundred fifty-one million, one hundred sixty-two thousand, three hundred ninety-seven".