551253499 has 2 divisors, whose sum is σ = 551253500. Its totient is φ = 551253498.

The previous prime is 551253467. The next prime is 551253503. The reversal of 551253499 is 994352155.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 551253499 - 2⁵ = 551253467 is a prime.

It is equal to p_28907809 and since 551253499 and 28907809 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 (551253299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275626749 + 275626750.

It is an arithmetic number, because the mean of its divisors is an integer number (275626750).

Almost surely, 2^551253499 is an apocalyptic number.

551253499 is a deficient number, since it is larger than the sum of its proper divisors (1).

551253499 is an equidigital number, since it uses as much as digits as its factorization.

551253499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243000, while the sum is 43.

The square root of 551253499 is about 23478.7882779329. The cubic root of 551253499 is about 819.9432337265.

The spelling of 551253499 in words is "five hundred fifty-one million, two hundred fifty-three thousand, four hundred ninety-nine".