333401609 has 2 divisors, whose sum is σ = 333401610. Its totient is φ = 333401608.

The previous prime is 333401573. The next prime is 333401659. The reversal of 333401609 is 906104333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 273803209 + 59598400 = 16547^2 + 7720^2 .

It is a cyclic number.

It is not a de Polignac number, because 333401609 - 2²⁰ = 332353033 is a prime.

It is a super-2 number, since 2×333401609² = 222313265767577762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (333401659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166700804 + 166700805.

It is an arithmetic number, because the mean of its divisors is an integer number (166700805).

Almost surely, 2^333401609 is an apocalyptic number.

It is an amenable number.

333401609 is a deficient number, since it is larger than the sum of its proper divisors (1).

333401609 is an equidigital number, since it uses as much as digits as its factorization.

333401609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 29.

The square root of 333401609 is about 18259.2882939067. The cubic root of 333401609 is about 693.4086108221.

The spelling of 333401609 in words is "three hundred thirty-three million, four hundred one thousand, six hundred nine".