324007961 has 2 divisors, whose sum is σ = 324007962. Its totient is φ = 324007960.

The previous prime is 324007949. The next prime is 324007963. The reversal of 324007961 is 169700423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189888400 + 134119561 = 13780^2 + 11581^2 .

It is a cyclic number.

It is not a de Polignac number, because 324007961 - 2¹⁸ = 323745817 is a prime.

Together with 324007963, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (324007963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162003980 + 162003981.

It is an arithmetic number, because the mean of its divisors is an integer number (162003981).

Almost surely, 2^324007961 is an apocalyptic number.

It is an amenable number.

324007961 is a deficient number, since it is larger than the sum of its proper divisors (1).

324007961 is an equidigital number, since it uses as much as digits as its factorization.

324007961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 324007961 is about 18000.2211375305. The cubic root of 324007961 is about 686.8341708378.

The spelling of 324007961 in words is "three hundred twenty-four million, seven thousand, nine hundred sixty-one".