325606513 has 2 divisors, whose sum is σ = 325606514. Its totient is φ = 325606512.

The previous prime is 325606493. The next prime is 325606531. The reversal of 325606513 is 315606523.

Together with next prime (325606531) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174979984 + 150626529 = 13228^2 + 12273^2 .

It is a cyclic number.

It is not a de Polignac number, because 325606513 - 2⁵ = 325606481 is a prime.

It is not a weakly prime, because it can be changed into another prime (325606573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162803256 + 162803257.

It is an arithmetic number, because the mean of its divisors is an integer number (162803257).

Almost surely, 2^325606513 is an apocalyptic number.

It is an amenable number.

325606513 is a deficient number, since it is larger than the sum of its proper divisors (1).

325606513 is an equidigital number, since it uses as much as digits as its factorization.

325606513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 325606513 is about 18044.5701805280. The cubic root of 325606513 is about 687.9618586042.

The spelling of 325606513 in words is "three hundred twenty-five million, six hundred six thousand, five hundred thirteen".