323490253 has 2 divisors, whose sum is σ = 323490254. Its totient is φ = 323490252.

The previous prime is 323490199. The next prime is 323490281. The reversal of 323490253 is 352094323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261048649 + 62441604 = 16157^2 + 7902^2 .

It is a cyclic number.

It is not a de Polignac number, because 323490253 - 2¹⁷ = 323359181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (323490283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161745126 + 161745127.

It is an arithmetic number, because the mean of its divisors is an integer number (161745127).

Almost surely, 2^323490253 is an apocalyptic number.

It is an amenable number.

323490253 is a deficient number, since it is larger than the sum of its proper divisors (1).

323490253 is an equidigital number, since it uses as much as digits as its factorization.

323490253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 323490253 is about 17985.8347874098. The cubic root of 323490253 is about 686.4681622407.

The spelling of 323490253 in words is "three hundred twenty-three million, four hundred ninety thousand, two hundred fifty-three".