674249 has 2 divisors, whose sum is σ = 674250. Its totient is φ = 674248.

The previous prime is 674239. The next prime is 674263. The reversal of 674249 is 942476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 1849 = 820^2 + 43^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674249 is a prime.

It is a super-2 number, since 2×674249² = 909223428002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (674239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337124 + 337125.

It is an arithmetic number, because the mean of its divisors is an integer number (337125).

2⁶⁷⁴²⁴⁹ is an apocalyptic number.

It is an amenable number.

674249 is a deficient number, since it is larger than the sum of its proper divisors (1).

674249 is an equidigital number, since it uses as much as digits as its factorization.

674249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 32.

The square root of 674249 is about 821.1266650158. The cubic root of 674249 is about 87.6879876691.

The spelling of 674249 in words is "six hundred seventy-four thousand, two hundred forty-nine".