555116251 has 2 divisors, whose sum is σ = 555116252. Its totient is φ = 555116250.

The previous prime is 555116213. The next prime is 555116273. The reversal of 555116251 is 152611555.

555116251 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 is a cyclic number.

It is not a de Polignac number, because 555116251 - 2¹⁵ = 555083483 is a prime.

It is not a weakly prime, because it can be changed into another prime (555116281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277558125 + 277558126.

It is an arithmetic number, because the mean of its divisors is an integer number (277558126).

Almost surely, 2^555116251 is an apocalyptic number.

555116251 is a deficient number, since it is larger than the sum of its proper divisors (1).

555116251 is an equidigital number, since it uses as much as digits as its factorization.

555116251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7500, while the sum is 31.

The square root of 555116251 is about 23560.9051396588. The cubic root of 555116251 is about 821.8539506645.

The spelling of 555116251 in words is "five hundred fifty-five million, one hundred sixteen thousand, two hundred fifty-one".