551254 has 8 divisors (see below), whose sum is σ = 902088. Its totient is φ = 250560.

The previous prime is 551233. The next prime is 551269. The reversal of 551254 is 452155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 25057 = 551254 / (5 + 5 + 1 + 2 + 5 + 4).

It is a congruent number.

It is an unprimeable number.

551254 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 3 ways as a sum of consecutive naturals, for example, 12507 + ... + 12550.

It is an arithmetic number, because the mean of its divisors is an integer number (112761).

2⁵⁵¹²⁵⁴ is an apocalyptic number.

551254 is a deficient number, since it is larger than the sum of its proper divisors (350834).

551254 is a wasteful number, since it uses less digits than its factorization.

551254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25070.

The product of its digits is 1000, while the sum is 22.

The square root of 551254 is about 742.4648139811. The cubic root of 551254 is about 81.9943482125.

Subtracting from 551254 its reverse (452155), we obtain a palindrome (99099).

The spelling of 551254 in words is "five hundred fifty-one thousand, two hundred fifty-four".