662106239 has 2 divisors, whose sum is σ = 662106240. Its totient is φ = 662106238.

The previous prime is 662106229. The next prime is 662106257. The reversal of 662106239 is 932601266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 662106239 - 2⁴ = 662106223 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 662106199 and 662106208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (662106229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331053119 + 331053120.

It is an arithmetic number, because the mean of its divisors is an integer number (331053120).

Almost surely, 2^662106239 is an apocalyptic number.

662106239 is a deficient number, since it is larger than the sum of its proper divisors (1).

662106239 is an equidigital number, since it uses as much as digits as its factorization.

662106239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 662106239 is about 25731.4251257096. The cubic root of 662106239 is about 871.5839550629.

The spelling of 662106239 in words is "six hundred sixty-two million, one hundred six thousand, two hundred thirty-nine".