553968251 has 2 divisors, whose sum is σ = 553968252. Its totient is φ = 553968250.

The previous prime is 553968229. The next prime is 553968253. The reversal of 553968251 is 152869355.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553968251 is a prime.

Together with 553968253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (553968253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276984125 + 276984126.

It is an arithmetic number, because the mean of its divisors is an integer number (276984126).

Almost surely, 2^553968251 is an apocalyptic number.

553968251 is a deficient number, since it is larger than the sum of its proper divisors (1).

553968251 is an equidigital number, since it uses as much as digits as its factorization.

553968251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324000, while the sum is 44.

The square root of 553968251 is about 23536.5301393387. The cubic root of 553968251 is about 821.2870186804.

The spelling of 553968251 in words is "five hundred fifty-three million, nine hundred sixty-eight thousand, two hundred fifty-one".