3321513997 has 2 divisors, whose sum is σ = 3321513998. Its totient is φ = 3321513996.

The previous prime is 3321513991. The next prime is 3321514057. The reversal of 3321513997 is 7993151233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2763184356 + 558329641 = 52566^2 + 23629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3321513997 is a prime.

It is a super-3 number, since 3×3321513997³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3321513991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1660756998 + 1660756999.

It is an arithmetic number, because the mean of its divisors is an integer number (1660756999).

Almost surely, 2^3321513997 is an apocalyptic number.

It is an amenable number.

3321513997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3321513997 is an equidigital number, since it uses as much as digits as its factorization.

3321513997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 43.

The square root of 3321513997 is about 57632.5775668588. The cubic root of 3321513997 is about 1492.0339169420.

The spelling of 3321513997 in words is "three billion, three hundred twenty-one million, five hundred thirteen thousand, nine hundred ninety-seven".