549324313 has 2 divisors, whose sum is σ = 549324314. Its totient is φ = 549324312.

The previous prime is 549324283. The next prime is 549324319. The reversal of 549324313 is 313423945.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 515834944 + 33489369 = 22712^2 + 5787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-549324313 is a prime.

It is not a weakly prime, because it can be changed into another prime (549324319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274662156 + 274662157.

It is an arithmetic number, because the mean of its divisors is an integer number (274662157).

Almost surely, 2^549324313 is an apocalyptic number.

It is an amenable number.

549324313 is a deficient number, since it is larger than the sum of its proper divisors (1).

549324313 is an equidigital number, since it uses as much as digits as its factorization.

549324313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 34.

The square root of 549324313 is about 23437.6686767264. The cubic root of 549324313 is about 818.9856150907.

The spelling of 549324313 in words is "five hundred forty-nine million, three hundred twenty-four thousand, three hundred thirteen".