674265143 has 2 divisors, whose sum is σ = 674265144. Its totient is φ = 674265142.

The previous prime is 674265121. The next prime is 674265161. The reversal of 674265143 is 341562476.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674265143 - 2¹² = 674261047 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 674265097 and 674265106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674265173) 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, 337132571 + 337132572.

It is an arithmetic number, because the mean of its divisors is an integer number (337132572).

Almost surely, 2^674265143 is an apocalyptic number.

674265143 is a deficient number, since it is larger than the sum of its proper divisors (1).

674265143 is an equidigital number, since it uses as much as digits as its factorization.

674265143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 38.

The square root of 674265143 is about 25966.6159327703. The cubic root of 674265143 is about 876.8868747773.

The spelling of 674265143 in words is "six hundred seventy-four million, two hundred sixty-five thousand, one hundred forty-three".