325646749 has 2 divisors, whose sum is σ = 325646750. Its totient is φ = 325646748.

The previous prime is 325646729. The next prime is 325646753. The reversal of 325646749 is 947646523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 317196100 + 8450649 = 17810^2 + 2907^2 .

It is a cyclic number.

It is not a de Polignac number, because 325646749 - 2⁷ = 325646621 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 325646699 and 325646708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (325646729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162823374 + 162823375.

It is an arithmetic number, because the mean of its divisors is an integer number (162823375).

Almost surely, 2^325646749 is an apocalyptic number.

It is an amenable number.

325646749 is a deficient number, since it is larger than the sum of its proper divisors (1).

325646749 is an equidigital number, since it uses as much as digits as its factorization.

325646749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 46.

The square root of 325646749 is about 18045.6850521115. The cubic root of 325646749 is about 687.9901951516.

It can be divided in two parts, 3256 and 46749, that added together give a palindrome (50005).

The spelling of 325646749 in words is "three hundred twenty-five million, six hundred forty-six thousand, seven hundred forty-nine".