674275397 has 2 divisors, whose sum is σ = 674275398. Its totient is φ = 674275396.

The previous prime is 674275387. The next prime is 674275447. The reversal of 674275397 is 793572476.

It is an a-pointer prime, because the next prime (674275447) can be obtained adding 674275397 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 553143361 + 121132036 = 23519^2 + 11006^2 .

It is a cyclic number.

It is not a de Polignac number, because 674275397 - 2¹⁴ = 674259013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674275387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337137698 + 337137699.

It is an arithmetic number, because the mean of its divisors is an integer number (337137699).

Almost surely, 2^674275397 is an apocalyptic number.

It is an amenable number.

674275397 is a deficient number, since it is larger than the sum of its proper divisors (1).

674275397 is an equidigital number, since it uses as much as digits as its factorization.

674275397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2222640, while the sum is 50.

The square root of 674275397 is about 25966.8133778483. The cubic root of 674275397 is about 876.8913198894.

The spelling of 674275397 in words is "six hundred seventy-four million, two hundred seventy-five thousand, three hundred ninety-seven".