659279 has 2 divisors, whose sum is σ = 659280. Its totient is φ = 659278.

The previous prime is 659251. The next prime is 659299. The reversal of 659279 is 972956.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 659279 - 2⁸ = 659023 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329639 + 329640.

It is an arithmetic number, because the mean of its divisors is an integer number (329640).

2⁶⁵⁹²⁷⁹ is an apocalyptic number.

659279 is a deficient number, since it is larger than the sum of its proper divisors (1).

659279 is an equidigital number, since it uses as much as digits as its factorization.

659279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 659279 is about 811.9599743830. The cubic root of 659279 is about 87.0341610683.

The spelling of 659279 in words is "six hundred fifty-nine thousand, two hundred seventy-nine".