3315625997 has 2 divisors, whose sum is σ = 3315625998. Its totient is φ = 3315625996.

The previous prime is 3315625939. The next prime is 3315626051. The reversal of 3315625997 is 7995265133.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1900436836 + 1415189161 = 43594^2 + 37619^2 .

It is an emirp because it is prime and its reverse (7995265133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3315625997 - 2⁶ = 3315625933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3315625097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1657812998 + 1657812999.

It is an arithmetic number, because the mean of its divisors is an integer number (1657812999).

Almost surely, 2^3315625997 is an apocalyptic number.

It is an amenable number.

3315625997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3315625997 is an equidigital number, since it uses as much as digits as its factorization.

3315625997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1530900, while the sum is 50.

The square root of 3315625997 is about 57581.4726887043. The cubic root of 3315625997 is about 1491.1517597992.

The spelling of 3315625997 in words is "three billion, three hundred fifteen million, six hundred twenty-five thousand, nine hundred ninety-seven".