325737613 has 2 divisors, whose sum is σ = 325737614. Its totient is φ = 325737612.

The previous prime is 325737593. The next prime is 325737617. The reversal of 325737613 is 316737523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 270339364 + 55398249 = 16442^2 + 7443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325737613 is a prime.

It is a super-2 number, since 2×325737613² = 212209985045875538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325737617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162868806 + 162868807.

It is an arithmetic number, because the mean of its divisors is an integer number (162868807).

Almost surely, 2^325737613 is an apocalyptic number.

It is an amenable number.

325737613 is a deficient number, since it is larger than the sum of its proper divisors (1).

325737613 is an equidigital number, since it uses as much as digits as its factorization.

325737613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 79380, while the sum is 37.

The square root of 325737613 is about 18048.2024866744. The cubic root of 325737613 is about 688.0541783153.

It can be divided in two parts, 32573 and 7613, that added together give a triangular number (40186 = T₂₈₃).

The spelling of 325737613 in words is "three hundred twenty-five million, seven hundred thirty-seven thousand, six hundred thirteen".