551203253 has 2 divisors, whose sum is σ = 551203254. Its totient is φ = 551203252.

The previous prime is 551203201. The next prime is 551203267. The reversal of 551203253 is 352302155.

551203253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 315488644 + 235714609 = 17762^2 + 15353^2 .

It is a cyclic number.

It is not a de Polignac number, because 551203253 - 2¹⁸ = 550941109 is a prime.

It is a super-2 number, since 2×551203253² = 607650052235564018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551203153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275601626 + 275601627.

It is an arithmetic number, because the mean of its divisors is an integer number (275601627).

Almost surely, 2^551203253 is an apocalyptic number.

It is an amenable number.

551203253 is a deficient number, since it is larger than the sum of its proper divisors (1).

551203253 is an equidigital number, since it uses as much as digits as its factorization.

551203253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 551203253 is about 23477.7182238820. The cubic root of 551203253 is about 819.9183207360.

The spelling of 551203253 in words is "five hundred fifty-one million, two hundred three thousand, two hundred fifty-three".