2557275251 has 2 divisors, whose sum is σ = 2557275252. Its totient is φ = 2557275250.

The previous prime is 2557275223. The next prime is 2557275271. The reversal of 2557275251 is 1525727552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2557275251 - 2¹⁴ = 2557258867 is a prime.

It is a super-2 number, since 2×2557275251² = 13079313418754226002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2557275199 and 2557275208.

It is not a weakly prime, because it can be changed into another prime (2557275211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278637625 + 1278637626.

It is an arithmetic number, because the mean of its divisors is an integer number (1278637626).

Almost surely, 2^2557275251 is an apocalyptic number.

2557275251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557275251 is an equidigital number, since it uses as much as digits as its factorization.

2557275251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 245000, while the sum is 41.

The square root of 2557275251 is about 50569.5091038068. The cubic root of 2557275251 is about 1367.4952459598.

The spelling of 2557275251 in words is "two billion, five hundred fifty-seven million, two hundred seventy-five thousand, two hundred fifty-one".