274238329 has 2 divisors, whose sum is σ = 274238330. Its totient is φ = 274238328.

The previous prime is 274238317. The next prime is 274238357. The reversal of 274238329 is 923832472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164994025 + 109244304 = 12845^2 + 10452^2 .

It is a cyclic number.

It is not a de Polignac number, because 274238329 - 2⁷ = 274238201 is a prime.

It is a super-2 number, since 2×274238329² = 150413322185424482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 274238291 and 274238300.

It is not a weakly prime, because it can be changed into another prime (274238359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137119164 + 137119165.

It is an arithmetic number, because the mean of its divisors is an integer number (137119165).

Almost surely, 2^274238329 is an apocalyptic number.

It is an amenable number.

274238329 is a deficient number, since it is larger than the sum of its proper divisors (1).

274238329 is an equidigital number, since it uses as much as digits as its factorization.

274238329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 40.

The square root of 274238329 is about 16560.1427832009. The cubic root of 274238329 is about 649.6947908330.

The spelling of 274238329 in words is "two hundred seventy-four million, two hundred thirty-eight thousand, three hundred twenty-nine".