551025103 has 2 divisors, whose sum is σ = 551025104. Its totient is φ = 551025102.

The previous prime is 551025089. The next prime is 551025109. The reversal of 551025103 is 301520155.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-551025103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551025109) 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, 275512551 + 275512552.

It is an arithmetic number, because the mean of its divisors is an integer number (275512552).

Almost surely, 2^551025103 is an apocalyptic number.

551025103 is a deficient number, since it is larger than the sum of its proper divisors (1).

551025103 is an equidigital number, since it uses as much as digits as its factorization.

551025103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 551025103 is about 23473.9238943982. The cubic root of 551025103 is about 819.8299781344.

Adding to 551025103 its reverse (301520155), we get a palindrome (852545258).

The spelling of 551025103 in words is "five hundred fifty-one million, twenty-five thousand, one hundred three".