325785497 has 2 divisors, whose sum is σ = 325785498. Its totient is φ = 325785496.

The previous prime is 325785451. The next prime is 325785511. The reversal of 325785497 is 794587523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165611161 + 160174336 = 12869^2 + 12656^2 .

It is a cyclic number.

It is not a de Polignac number, because 325785497 - 2²⁴ = 309008281 is a prime.

It is a super-2 number, since 2×325785497² = 212272380111074018, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (325785697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162892748 + 162892749.

It is an arithmetic number, because the mean of its divisors is an integer number (162892749).

Almost surely, 2^325785497 is an apocalyptic number.

It is an amenable number.

325785497 is a deficient number, since it is larger than the sum of its proper divisors (1).

325785497 is an equidigital number, since it uses as much as digits as its factorization.

325785497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2116800, while the sum is 50.

The square root of 325785497 is about 18049.5289966248. The cubic root of 325785497 is about 688.0878917201.

The spelling of 325785497 in words is "three hundred twenty-five million, seven hundred eighty-five thousand, four hundred ninety-seven".