655106 has 4 divisors (see below), whose sum is σ = 982662. Its totient is φ = 327552.

The previous prime is 655103. The next prime is 655111. The reversal of 655106 is 601556.

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

It can be written as a sum of positive squares in only one way, i.e., 654481 + 625 = 809^2 + 25^2 .

It is not an unprimeable number, because it can be changed into a prime (655103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163775 + ... + 163778.

2⁶⁵⁵¹⁰⁶ is an apocalyptic number.

655106 is a deficient number, since it is larger than the sum of its proper divisors (327556).

655106 is a wasteful number, since it uses less digits than its factorization.

655106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327555.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 655106 is about 809.3861871814. The cubic root of 655106 is about 86.8501405675.

The spelling of 655106 in words is "six hundred fifty-five thousand, one hundred six".