255416 has 16 divisors (see below), whose sum is σ = 547440. Its totient is φ = 109440.

The previous prime is 255413. The next prime is 255419. The reversal of 255416 is 614552.

It is an interprime number because it is at equal distance from previous prime (255413) and next prime (255419).

It is a junction number, because it is equal to n+sod(n) for n = 255391 and 255400.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 255416.

It is not an unprimeable number, because it can be changed into a prime (255413) 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 in 3 ways as a sum of consecutive naturals, for example, 2225 + ... + 2336.

It is an arithmetic number, because the mean of its divisors is an integer number (34215).

2²⁵⁵⁴¹⁶ is an apocalyptic number.

It is an amenable number.

255416 is an abundant number, since it is smaller than the sum of its proper divisors (292024).

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

255416 is a wasteful number, since it uses less digits than its factorization.

255416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4574 (or 4570 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 255416 is about 505.3869804417. The cubic root of 255416 is about 63.4477218679.

Adding to 255416 its reverse (614552), we get a palindrome (869968).

The spelling of 255416 in words is "two hundred fifty-five thousand, four hundred sixteen".