674443597 has 2 divisors, whose sum is σ = 674443598. Its totient is φ = 674443596.

The previous prime is 674443579. The next prime is 674443613. The reversal of 674443597 is 795344476.

Together with previous prime (674443579) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 581243881 + 93199716 = 24109^2 + 9654^2 .

It is a cyclic number.

It is not a de Polignac number, because 674443597 - 2²³ = 666054989 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674443597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674440597) 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, 337221798 + 337221799.

It is an arithmetic number, because the mean of its divisors is an integer number (337221799).

Almost surely, 2^674443597 is an apocalyptic number.

It is an amenable number.

674443597 is a deficient number, since it is larger than the sum of its proper divisors (1).

674443597 is an equidigital number, since it uses as much as digits as its factorization.

674443597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2540160, while the sum is 49.

The square root of 674443597 is about 25970.0519252465. The cubic root of 674443597 is about 876.9642282085.

It can be divided in two parts, 67 and 4443597, that added together give a square (4443664 = 2108²).

The spelling of 674443597 in words is "six hundred seventy-four million, four hundred forty-three thousand, five hundred ninety-seven".