659245 has 4 divisors (see below), whose sum is σ = 791100. Its totient is φ = 527392.

The previous prime is 659237. The next prime is 659251. The reversal of 659245 is 542956.

659245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84681 + 574564 = 291^2 + 758^2 .

It is a cyclic number.

It is not a de Polignac number, because 659245 - 2³ = 659237 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65920 + ... + 65929.

It is an arithmetic number, because the mean of its divisors is an integer number (197775).

2⁶⁵⁹²⁴⁵ is an apocalyptic number.

It is an amenable number.

659245 is a deficient number, since it is larger than the sum of its proper divisors (131855).

659245 is a wasteful number, since it uses less digits than its factorization.

659245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131854.

The product of its digits is 10800, while the sum is 31.

The square root of 659245 is about 811.9390371204. The cubic root of 659245 is about 87.0326648822.

The spelling of 659245 in words is "six hundred fifty-nine thousand, two hundred forty-five".