674265289 has 2 divisors, whose sum is σ = 674265290. Its totient is φ = 674265288.

The previous prime is 674265281. The next prime is 674265301. The reversal of 674265289 is 982562476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 432307264 + 241958025 = 20792^2 + 15555^2 .

It is a cyclic number.

It is not a de Polignac number, because 674265289 - 2³ = 674265281 is a prime.

It is not a weakly prime, because it can be changed into another prime (674265281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337132644 + 337132645.

It is an arithmetic number, because the mean of its divisors is an integer number (337132645).

Almost surely, 2^674265289 is an apocalyptic number.

It is an amenable number.

674265289 is a deficient number, since it is larger than the sum of its proper divisors (1).

674265289 is an equidigital number, since it uses as much as digits as its factorization.

674265289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1451520, while the sum is 49.

The square root of 674265289 is about 25966.6187440722. The cubic root of 674265289 is about 876.8869380686.

The spelling of 674265289 in words is "six hundred seventy-four million, two hundred sixty-five thousand, two hundred eighty-nine".