3314251621 has 2 divisors, whose sum is σ = 3314251622. Its totient is φ = 3314251620.

The previous prime is 3314251613. The next prime is 3314251679. The reversal of 3314251621 is 1261524133.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2925728100 + 388523521 = 54090^2 + 19711^2 .

It is a cyclic number.

It is not a de Polignac number, because 3314251621 - 2³ = 3314251613 is a prime.

It is a super-2 number, since 2×3314251621² = 21968527614602255282, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3314251621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3314251691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657125810 + 1657125811.

It is an arithmetic number, because the mean of its divisors is an integer number (1657125811).

Almost surely, 2^3314251621 is an apocalyptic number.

It is an amenable number.

3314251621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3314251621 is an equidigital number, since it uses as much as digits as its factorization.

3314251621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 28.

The square root of 3314251621 is about 57569.5372658145. The cubic root of 3314251621 is about 1490.9456965071.

Adding to 3314251621 its reverse (1261524133), we get a palindrome (4575775754).

The spelling of 3314251621 in words is "three billion, three hundred fourteen million, two hundred fifty-one thousand, six hundred twenty-one".