324945461 has 2 divisors, whose sum is σ = 324945462. Its totient is φ = 324945460.

The previous prime is 324945437. The next prime is 324945473. The reversal of 324945461 is 164549423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236698225 + 88247236 = 15385^2 + 9394^2 .

It is an emirp because it is prime and its reverse (164549423) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 324945461 - 2²⁶ = 257836597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324945421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162472730 + 162472731.

It is an arithmetic number, because the mean of its divisors is an integer number (162472731).

Almost surely, 2^324945461 is an apocalyptic number.

It is an amenable number.

324945461 is a deficient number, since it is larger than the sum of its proper divisors (1).

324945461 is an equidigital number, since it uses as much as digits as its factorization.

324945461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 38.

The square root of 324945461 is about 18026.2436741546. The cubic root of 324945461 is about 687.4959724723.

The spelling of 324945461 in words is "three hundred twenty-four million, nine hundred forty-five thousand, four hundred sixty-one".