324961281 has 8 divisors (see below), whose sum is σ = 481424160. Its totient is φ = 216640836.

The previous prime is 324961279. The next prime is 324961291. The reversal of 324961281 is 182169423.

324961281 is a `hidden beast` number, since 32 + 4 + 9 + 612 + 8 + 1 = 666.

It is not a de Polignac number, because 324961281 - 2¹ = 324961279 is a prime.

It is a super-2 number, since 2×324961281² = 211199668298321922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (324961271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6017775 + ... + 6017828.

It is an arithmetic number, because the mean of its divisors is an integer number (60178020).

Almost surely, 2^324961281 is an apocalyptic number.

It is an amenable number.

324961281 is a deficient number, since it is larger than the sum of its proper divisors (156462879).

324961281 is a wasteful number, since it uses less digits than its factorization.

324961281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12035612 (or 12035606 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 324961281 is about 18026.6824734891. The cubic root of 324961281 is about 687.5071292263.

The spelling of 324961281 in words is "three hundred twenty-four million, nine hundred sixty-one thousand, two hundred eighty-one".