325503313 has 2 divisors, whose sum is σ = 325503314. Its totient is φ = 325503312.

The previous prime is 325503293. The next prime is 325503323. The reversal of 325503313 is 313305523.

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., 259113409 + 66389904 = 16097^2 + 8148^2 .

It is a cyclic number.

It is not a de Polignac number, because 325503313 - 2⁵ = 325503281 is a prime.

It is not a weakly prime, because it can be changed into another prime (325503323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162751656 + 162751657.

It is an arithmetic number, because the mean of its divisors is an integer number (162751657).

Almost surely, 2^325503313 is an apocalyptic number.

It is an amenable number.

325503313 is a deficient number, since it is larger than the sum of its proper divisors (1).

325503313 is an equidigital number, since it uses as much as digits as its factorization.

325503313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 325503313 is about 18041.7103679224. The cubic root of 325503313 is about 687.8891684469.

Adding to 325503313 its reverse (313305523), we get a palindrome (638808836).

The spelling of 325503313 in words is "three hundred twenty-five million, five hundred three thousand, three hundred thirteen".