674566523 has 2 divisors, whose sum is σ = 674566524. Its totient is φ = 674566522.

The previous prime is 674566439. The next prime is 674566537. The reversal of 674566523 is 325665476.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674566523 - 2¹⁰ = 674565499 is a prime.

It is not a weakly prime, because it can be changed into another prime (674566223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337283261 + 337283262.

It is an arithmetic number, because the mean of its divisors is an integer number (337283262).

Almost surely, 2^674566523 is an apocalyptic number.

674566523 is a deficient number, since it is larger than the sum of its proper divisors (1).

674566523 is an equidigital number, since it uses as much as digits as its factorization.

674566523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 44.

The square root of 674566523 is about 25972.4185050218. The cubic root of 674566523 is about 877.0175042998.

The spelling of 674566523 in words is "six hundred seventy-four million, five hundred sixty-six thousand, five hundred twenty-three".