333669961 has 2 divisors, whose sum is σ = 333669962. Its totient is φ = 333669960.

The previous prime is 333669953. The next prime is 333670003. The reversal of 333669961 is 169966333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 302934025 + 30735936 = 17405^2 + 5544^2 .

It is an emirp because it is prime and its reverse (169966333) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 333669961 - 2³ = 333669953 is a prime.

It is a super-2 number, since 2×333669961² = 222671285747483042, which contains 22 as substring.

It is equal to p_17972299 and since 333669961 and 17972299 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (333660961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166834980 + 166834981.

It is an arithmetic number, because the mean of its divisors is an integer number (166834981).

Almost surely, 2^333669961 is an apocalyptic number.

It is an amenable number.

333669961 is a deficient number, since it is larger than the sum of its proper divisors (1).

333669961 is an equidigital number, since it uses as much as digits as its factorization.

333669961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 472392, while the sum is 46.

The square root of 333669961 is about 18266.6351854960. The cubic root of 333669961 is about 693.5946004122.

The spelling of 333669961 in words is "three hundred thirty-three million, six hundred sixty-nine thousand, nine hundred sixty-one".