325254509 has 2 divisors, whose sum is σ = 325254510. Its totient is φ = 325254508.

The previous prime is 325254499. The next prime is 325254571. The reversal of 325254509 is 905452523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322202500 + 3052009 = 17950^2 + 1747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-325254509 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325250509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162627254 + 162627255.

It is an arithmetic number, because the mean of its divisors is an integer number (162627255).

Almost surely, 2^325254509 is an apocalyptic number.

It is an amenable number.

325254509 is a deficient number, since it is larger than the sum of its proper divisors (1).

325254509 is an equidigital number, since it uses as much as digits as its factorization.

325254509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 325254509 is about 18034.8138055262. The cubic root of 325254509 is about 687.7138571721.

The spelling of 325254509 in words is "three hundred twenty-five million, two hundred fifty-four thousand, five hundred nine".