325312313 has 2 divisors, whose sum is σ = 325312314. Its totient is φ = 325312312.

The previous prime is 325312301. The next prime is 325312331. The reversal of 325312313 is 313213523.

Together with next prime (325312331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322992784 + 2319529 = 17972^2 + 1523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325312313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (325312513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162656156 + 162656157.

It is an arithmetic number, because the mean of its divisors is an integer number (162656157).

Almost surely, 2^325312313 is an apocalyptic number.

It is an amenable number.

325312313 is a deficient number, since it is larger than the sum of its proper divisors (1).

325312313 is an equidigital number, since it uses as much as digits as its factorization.

325312313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1620, while the sum is 23.

The square root of 325312313 is about 18036.4163014719. The cubic root of 325312313 is about 687.7545947648.

Adding to 325312313 its reverse (313213523), we get a palindrome (638525836).

The spelling of 325312313 in words is "three hundred twenty-five million, three hundred twelve thousand, three hundred thirteen".