655258 has 4 divisors (see below), whose sum is σ = 982890. Its totient is φ = 327628.

The previous prime is 655243. The next prime is 655261. The reversal of 655258 is 852556.

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., 603729 + 51529 = 777^2 + 227^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 655258.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 163813 + ... + 163816.

2⁶⁵⁵²⁵⁸ is an apocalyptic number.

655258 is a deficient number, since it is larger than the sum of its proper divisors (327632).

655258 is a wasteful number, since it uses less digits than its factorization.

655258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327631.

The product of its digits is 12000, while the sum is 31.

The square root of 655258 is about 809.4800800514. The cubic root of 655258 is about 86.8568571399.

The spelling of 655258 in words is "six hundred fifty-five thousand, two hundred fifty-eight".