325509497 has 2 divisors, whose sum is σ = 325509498. Its totient is φ = 325509496.

The previous prime is 325509493. The next prime is 325509521. The reversal of 325509497 is 794905523.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321807721 + 3701776 = 17939^2 + 1924^2 .

It is a cyclic number.

It is not a de Polignac number, because 325509497 - 2² = 325509493 is a prime.

It is not a weakly prime, because it can be changed into another prime (325509491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162754748 + 162754749.

It is an arithmetic number, because the mean of its divisors is an integer number (162754749).

Almost surely, 2^325509497 is an apocalyptic number.

It is an amenable number.

325509497 is a deficient number, since it is larger than the sum of its proper divisors (1).

325509497 is an equidigital number, since it uses as much as digits as its factorization.

325509497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 325509497 is about 18041.8817477557. The cubic root of 325509497 is about 687.8935246541.

The spelling of 325509497 in words is "three hundred twenty-five million, five hundred nine thousand, four hundred ninety-seven".