333421013 has 4 divisors (see below), whose sum is σ = 334816320. Its totient is φ = 332025708.

The previous prime is 333421007. The next prime is 333421019. The reversal of 333421013 is 310124333.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (333421007) and next prime (333421019).

It is a cyclic number.

It is not a de Polignac number, because 333421013 - 2¹² = 333416917 is a prime.

It is a super-2 number, since 2×333421013² = 222339143819892338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (333421019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 697295 + ... + 697772.

It is an arithmetic number, because the mean of its divisors is an integer number (83704080).

Almost surely, 2^333421013 is an apocalyptic number.

It is an amenable number.

333421013 is a deficient number, since it is larger than the sum of its proper divisors (1395307).

333421013 is a wasteful number, since it uses less digits than its factorization.

333421013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395306.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 333421013 is about 18259.8196321870. The cubic root of 333421013 is about 693.4220627065.

Adding to 333421013 its reverse (310124333), we get a palindrome (643545346).

The spelling of 333421013 in words is "three hundred thirty-three million, four hundred twenty-one thousand, thirteen".