665250683 has 2 divisors, whose sum is σ = 665250684. Its totient is φ = 665250682.

The previous prime is 665250661. The next prime is 665250697. The reversal of 665250683 is 386052566.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 665250683 - 2⁸ = 665250427 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 665250683.

It is not a weakly prime, because it can be changed into another prime (665250623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332625341 + 332625342.

It is an arithmetic number, because the mean of its divisors is an integer number (332625342).

Almost surely, 2^665250683 is an apocalyptic number.

665250683 is a deficient number, since it is larger than the sum of its proper divisors (1).

665250683 is an equidigital number, since it uses as much as digits as its factorization.

665250683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 665250683 is about 25792.4539933679. The cubic root of 665250683 is about 872.9615384997.

The spelling of 665250683 in words is "six hundred sixty-five million, two hundred fifty thousand, six hundred eighty-three".