655149 has 8 divisors (see below), whose sum is σ = 952992. Its totient is φ = 397040.

The previous prime is 655121. The next prime is 655157. The reversal of 655149 is 941556.

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 655149 - 2⁷ = 655021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655649) 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, 9894 + ... + 9959.

It is an arithmetic number, because the mean of its divisors is an integer number (119124).

2⁶⁵⁵¹⁴⁹ is an apocalyptic number.

It is an amenable number.

655149 is a deficient number, since it is larger than the sum of its proper divisors (297843).

655149 is a wasteful number, since it uses less digits than its factorization.

655149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19867.

The product of its digits is 5400, while the sum is 30.

The square root of 655149 is about 809.4127500849. The cubic root of 655149 is about 86.8520407559.

It can be divided in two parts, 6 and 55149, that added together give a palindrome (55155).

The spelling of 655149 in words is "six hundred fifty-five thousand, one hundred forty-nine".