325457813 has 2 divisors, whose sum is σ = 325457814. Its totient is φ = 325457812.

The previous prime is 325457791. The next prime is 325457827. The reversal of 325457813 is 318754523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207561649 + 117896164 = 14407^2 + 10858^2 .

It is a cyclic number.

It is not a de Polignac number, because 325457813 - 2⁸ = 325457557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325457833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162728906 + 162728907.

It is an arithmetic number, because the mean of its divisors is an integer number (162728907).

Almost surely, 2^325457813 is an apocalyptic number.

It is an amenable number.

325457813 is a deficient number, since it is larger than the sum of its proper divisors (1).

325457813 is an equidigital number, since it uses as much as digits as its factorization.

325457813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 38.

The square root of 325457813 is about 18040.4493569312. The cubic root of 325457813 is about 687.8571150961.

The spelling of 325457813 in words is "three hundred twenty-five million, four hundred fifty-seven thousand, eight hundred thirteen".