660295 has 4 divisors (see below), whose sum is σ = 792360. Its totient is φ = 528232.

The previous prime is 660281. The next prime is 660299. The reversal of 660295 is 592066.

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 660295 - 2⁷ = 660167 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (660299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66025 + ... + 66034.

It is an arithmetic number, because the mean of its divisors is an integer number (198090).

2⁶⁶⁰²⁹⁵ is an apocalyptic number.

660295 is a deficient number, since it is larger than the sum of its proper divisors (132065).

660295 is a wasteful number, since it uses less digits than its factorization.

660295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132064.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 660295 is about 812.5853801294. The cubic root of 660295 is about 87.0788469157.

The spelling of 660295 in words is "six hundred sixty thousand, two hundred ninety-five".