674131559 has 2 divisors, whose sum is σ = 674131560. Its totient is φ = 674131558.

The previous prime is 674131547. The next prime is 674131573. The reversal of 674131559 is 955131476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674131559 - 2⁴ = 674131543 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674131519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337065779 + 337065780.

It is an arithmetic number, because the mean of its divisors is an integer number (337065780).

Almost surely, 2^674131559 is an apocalyptic number.

674131559 is a deficient number, since it is larger than the sum of its proper divisors (1).

674131559 is an equidigital number, since it uses as much as digits as its factorization.

674131559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 113400, while the sum is 41.

The square root of 674131559 is about 25964.0435795351. The cubic root of 674131559 is about 876.8289619547.

The spelling of 674131559 in words is "six hundred seventy-four million, one hundred thirty-one thousand, five hundred fifty-nine".