323813249 has 2 divisors, whose sum is σ = 323813250. Its totient is φ = 323813248.

The previous prime is 323813183. The next prime is 323813261. The reversal of 323813249 is 942318323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 242362624 + 81450625 = 15568^2 + 9025^2 .

It is a cyclic number.

It is not a de Polignac number, because 323813249 - 2²⁴ = 307036033 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (323813279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161906624 + 161906625.

It is an arithmetic number, because the mean of its divisors is an integer number (161906625).

Almost surely, 2^323813249 is an apocalyptic number.

It is an amenable number.

323813249 is a deficient number, since it is larger than the sum of its proper divisors (1).

323813249 is an equidigital number, since it uses as much as digits as its factorization.

323813249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 323813249 is about 17994.8117244944. The cubic root of 323813249 is about 686.6965593495.

The spelling of 323813249 in words is "three hundred twenty-three million, eight hundred thirteen thousand, two hundred forty-nine".