551113 has 2 divisors, whose sum is σ = 551114. Its totient is φ = 551112.

The previous prime is 551107. The next prime is 551129. The reversal of 551113 is 311155.

It is an a-pointer prime, because the next prime (551129) can be obtained adding 551113 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328329 + 222784 = 573^2 + 472^2 .

It is a cyclic number.

It is not a de Polignac number, because 551113 - 2¹³ = 542921 is a prime.

It is equal to p₄₅₄₁₂ and since 551113 and 45412 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (551143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275556 + 275557.

It is an arithmetic number, because the mean of its divisors is an integer number (275557).

2⁵⁵¹¹¹³ is an apocalyptic number.

It is an amenable number.

551113 is a deficient number, since it is larger than the sum of its proper divisors (1).

551113 is an equidigital number, since it uses as much as digits as its factorization.

551113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75, while the sum is 16.

The square root of 551113 is about 742.3698539138. The cubic root of 551113 is about 81.9873567657.

Adding to 551113 its reverse (311155), we get a palindrome (862268).

The spelling of 551113 in words is "five hundred fifty-one thousand, one hundred thirteen".