330204397 has 2 divisors, whose sum is σ = 330204398. Its totient is φ = 330204396.

The previous prime is 330204389. The next prime is 330204409. The reversal of 330204397 is 793402033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292615236 + 37589161 = 17106^2 + 6131^2 .

It is a cyclic number.

It is not a de Polignac number, because 330204397 - 2³ = 330204389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (330204367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165102198 + 165102199.

It is an arithmetic number, because the mean of its divisors is an integer number (165102199).

Almost surely, 2^330204397 is an apocalyptic number.

It is an amenable number.

330204397 is a deficient number, since it is larger than the sum of its proper divisors (1).

330204397 is an equidigital number, since it uses as much as digits as its factorization.

330204397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 330204397 is about 18171.5270959818. The cubic root of 330204397 is about 691.1849672694.

The spelling of 330204397 in words is "three hundred thirty million, two hundred four thousand, three hundred ninety-seven".