325912513 has 2 divisors, whose sum is σ = 325912514. Its totient is φ = 325912512.

The previous prime is 325912471. The next prime is 325912537. The reversal of 325912513 is 315219523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 267420609 + 58491904 = 16353^2 + 7648^2 .

It is a cyclic number.

It is not a de Polignac number, because 325912513 - 2²¹ = 323815361 is a prime.

It is a super-2 number, since 2×325912513² = 212437932259950338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325912583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162956256 + 162956257.

It is an arithmetic number, because the mean of its divisors is an integer number (162956257).

Almost surely, 2^325912513 is an apocalyptic number.

It is an amenable number.

325912513 is a deficient number, since it is larger than the sum of its proper divisors (1).

325912513 is an equidigital number, since it uses as much as digits as its factorization.

325912513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8100, while the sum is 31.

The square root of 325912513 is about 18053.0471943104. The cubic root of 325912513 is about 688.1773031239.

The spelling of 325912513 in words is "three hundred twenty-five million, nine hundred twelve thousand, five hundred thirteen".