655093 has 4 divisors (see below), whose sum is σ = 657900. Its totient is φ = 652288.

The previous prime is 655087. The next prime is 655103. The reversal of 655093 is 390556.

It is a happy number.

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 628849 + 26244 = 793^2 + 162^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655003) 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, 1018 + ... + 1531.

It is an arithmetic number, because the mean of its divisors is an integer number (164475).

2⁶⁵⁵⁰⁹³ is an apocalyptic number.

It is an amenable number.

655093 is a deficient number, since it is larger than the sum of its proper divisors (2807).

655093 is a wasteful number, since it uses less digits than its factorization.

655093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806.

The product of its (nonzero) digits is 4050, while the sum is 28.

The square root of 655093 is about 809.3781563645. The cubic root of 655093 is about 86.8495660756.

The spelling of 655093 in words is "six hundred fifty-five thousand, ninety-three".