551051233 has 2 divisors, whose sum is σ = 551051234. Its totient is φ = 551051232.

The previous prime is 551051213. The next prime is 551051261. The reversal of 551051233 is 332150155.

551051233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339406929 + 211644304 = 18423^2 + 14548^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551051233 is a prime.

It is a super-2 number, since 2×551051233² = 607314922781640578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 551051198 and 551051207.

It is not a weakly prime, because it can be changed into another prime (551051203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275525616 + 275525617.

It is an arithmetic number, because the mean of its divisors is an integer number (275525617).

Almost surely, 2^551051233 is an apocalyptic number.

It is an amenable number.

551051233 is a deficient number, since it is larger than the sum of its proper divisors (1).

551051233 is an equidigital number, since it uses as much as digits as its factorization.

551051233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 551051233 is about 23474.4804628345. The cubic root of 551051233 is about 819.8429369019.

The spelling of 551051233 in words is "five hundred fifty-one million, fifty-one thousand, two hundred thirty-three".