333402001 has 2 divisors, whose sum is σ = 333402002. Its totient is φ = 333402000.

The previous prime is 333401989. The next prime is 333402007. The reversal of 333402001 is 100204333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201611601 + 131790400 = 14199^2 + 11480^2 .

It is a cyclic number.

It is not a de Polignac number, because 333402001 - 2⁵ = 333401969 is a prime.

It is a super-2 number, since 2×333402001² = 222313788541608002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (333402007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166701000 + 166701001.

It is an arithmetic number, because the mean of its divisors is an integer number (166701001).

Almost surely, 2^333402001 is an apocalyptic number.

It is an amenable number.

333402001 is a deficient number, since it is larger than the sum of its proper divisors (1).

333402001 is an equidigital number, since it uses as much as digits as its factorization.

333402001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 333402001 is about 18259.2990281664. The cubic root of 333402001 is about 693.4088825825.

Adding to 333402001 its reverse (100204333), we get a palindrome (433606334).

The spelling of 333402001 in words is "three hundred thirty-three million, four hundred two thousand, one".