655613 has 8 divisors (see below), whose sum is σ = 760128. Its totient is φ = 553824.

The previous prime is 655601. The next prime is 655637. The reversal of 655613 is 316556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 655613 - 2⁴ = 655597 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 (655643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131 + ... + 1152.

It is an arithmetic number, because the mean of its divisors is an integer number (95016).

2⁶⁵⁵⁶¹³ is an apocalyptic number.

It is an amenable number.

655613 is a deficient number, since it is larger than the sum of its proper divisors (104515).

655613 is a wasteful number, since it uses less digits than its factorization.

655613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363.

The product of its digits is 2700, while the sum is 26.

The square root of 655613 is about 809.6993269109. The cubic root of 655613 is about 86.8725398265.

The spelling of 655613 in words is "six hundred fifty-five thousand, six hundred thirteen".