655073 has 4 divisors (see below), whose sum is σ = 657300. Its totient is φ = 652848.

The previous prime is 655069. The next prime is 655087. The reversal of 655073 is 370556.

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 446224 + 208849 = 668^2 + 457^2 .

It is a cyclic number.

It is not a de Polignac number, because 655073 - 2² = 655069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (655003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590 + ... + 1287.

It is an arithmetic number, because the mean of its divisors is an integer number (164325).

2⁶⁵⁵⁰⁷³ is an apocalyptic number.

It is an amenable number.

655073 is a deficient number, since it is larger than the sum of its proper divisors (2227).

655073 is a wasteful number, since it uses less digits than its factorization.

655073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226.

The product of its (nonzero) digits is 3150, while the sum is 26.

The square root of 655073 is about 809.3658011060. The cubic root of 655073 is about 86.8486822271.

The spelling of 655073 in words is "six hundred fifty-five thousand, seventy-three".