551246 has 4 divisors (see below), whose sum is σ = 826872. Its totient is φ = 275622.

The previous prime is 551233. The next prime is 551269. The reversal of 551246 is 642155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642155 = 5 ⋅128431.

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 551246.

It is an unprimeable number.

551246 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 as a sum of consecutive naturals, namely, 137810 + ... + 137813.

It is an arithmetic number, because the mean of its divisors is an integer number (206718).

2⁵⁵¹²⁴⁶ is an apocalyptic number.

551246 is a deficient number, since it is larger than the sum of its proper divisors (275626).

551246 is a wasteful number, since it uses less digits than its factorization.

551246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275625.

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

The square root of 551246 is about 742.4594265009. The cubic root of 551246 is about 81.9939515666.

Subtracting 551246 from its reverse (642155), we obtain a palindrome (90909).

It can be divided in two parts, 551 and 246, that added together give a palindrome (797).

The spelling of 551246 in words is "five hundred fifty-one thousand, two hundred forty-six".