333349397 has 2 divisors, whose sum is σ = 333349398. Its totient is φ = 333349396.

The previous prime is 333349361. The next prime is 333349399. The reversal of 333349397 is 793943333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193376836 + 139972561 = 13906^2 + 11831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-333349397 is a prime.

It is a super-2 number, since 2×333349397² = 222243640960527218, which contains 22 as substring.

Together with 333349399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (333349399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166674698 + 166674699.

It is an arithmetic number, because the mean of its divisors is an integer number (166674699).

Almost surely, 2^333349397 is an apocalyptic number.

It is an amenable number.

333349397 is a deficient number, since it is larger than the sum of its proper divisors (1).

333349397 is an equidigital number, since it uses as much as digits as its factorization.

333349397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 551124, while the sum is 44.

The square root of 333349397 is about 18257.8584998351. The cubic root of 333349397 is about 693.3724120961.

The spelling of 333349397 in words is "three hundred thirty-three million, three hundred forty-nine thousand, three hundred ninety-seven".