655254 has 24 divisors (see below), whose sum is σ = 1446120. Its totient is φ = 214368.

The previous prime is 655243. The next prime is 655261. The reversal of 655254 is 452556.

655254 = 75² + 76² + ... + 133².

655254 is a `hidden beast` number, since 655 + 2 + 5 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

655254 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 754 + ... + 1370.

It is an arithmetic number, because the mean of its divisors is an integer number (60255).

2⁶⁵⁵²⁵⁴ is an apocalyptic number.

655254 is an abundant number, since it is smaller than the sum of its proper divisors (790866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

655254 is a wasteful number, since it uses less digits than its factorization.

655254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 681 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 655254 is about 809.4776093259. The cubic root of 655254 is about 86.8566804013.

It can be divided in two parts, 655 and 254, that added together give a palindrome (909).

The spelling of 655254 in words is "six hundred fifty-five thousand, two hundred fifty-four".