255454 has 4 divisors (see below), whose sum is σ = 383184. Its totient is φ = 127726.

The previous prime is 255443. The next prime is 255457. The reversal of 255454 is 454552.

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

It is a super-2 number, since 2×255454² = 130513492232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63862 + ... + 63865.

It is an arithmetic number, because the mean of its divisors is an integer number (95796).

2²⁵⁵⁴⁵⁴ is an apocalyptic number.

255454 is a deficient number, since it is larger than the sum of its proper divisors (127730).

255454 is a wasteful number, since it uses less digits than its factorization.

255454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127729.

The product of its digits is 4000, while the sum is 25.

The square root of 255454 is about 505.4245739970. The cubic root of 255454 is about 63.4508682303.

The spelling of 255454 in words is "two hundred fifty-five thousand, four hundred fifty-four".