659495 has 4 divisors (see below), whose sum is σ = 791400. Its totient is φ = 527592.

The previous prime is 659473. The next prime is 659497. The reversal of 659495 is 594956.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 659495 - 2¹² = 655399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65945 + ... + 65954.

It is an arithmetic number, because the mean of its divisors is an integer number (197850).

2⁶⁵⁹⁴⁹⁵ is an apocalyptic number.

659495 is a deficient number, since it is larger than the sum of its proper divisors (131905).

659495 is a wasteful number, since it uses less digits than its factorization.

659495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131904.

The product of its digits is 48600, while the sum is 38.

The square root of 659495 is about 812.0929749727. The cubic root of 659495 is about 87.0436650497.

The spelling of 659495 in words is "six hundred fifty-nine thousand, four hundred ninety-five".