333240013 has 2 divisors, whose sum is σ = 333240014. Its totient is φ = 333240012.

The previous prime is 333240007. The next prime is 333240023. The reversal of 333240013 is 310042333.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 332807049 + 432964 = 18243^2 + 658^2 .

It is an emirp because it is prime and its reverse (310042333) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-333240013 is a prime.

It is a super-2 number, since 2×333240013² = 222097812528480338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (333240023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166620006 + 166620007.

It is an arithmetic number, because the mean of its divisors is an integer number (166620007).

Almost surely, 2^333240013 is an apocalyptic number.

It is an amenable number.

333240013 is a deficient number, since it is larger than the sum of its proper divisors (1).

333240013 is an equidigital number, since it uses as much as digits as its factorization.

333240013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 333240013 is about 18254.8627220256. The cubic root of 333240013 is about 693.2965636062.

Adding to 333240013 its reverse (310042333), we get a palindrome (643282346).

The spelling of 333240013 in words is "three hundred thirty-three million, two hundred forty thousand, thirteen".