5100126257 has 2 divisors, whose sum is σ = 5100126258. Its totient is φ = 5100126256.

The previous prime is 5100126253. The next prime is 5100126307. The reversal of 5100126257 is 7526210015.

5100126257 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4871481616 + 228644641 = 69796^2 + 15121^2 .

It is a cyclic number.

It is not a de Polignac number, because 5100126257 - 2² = 5100126253 is a prime.

It is a super-2 number, since 2×5100126257² = 52022575674681660098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5100126253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550063128 + 2550063129.

It is an arithmetic number, because the mean of its divisors is an integer number (2550063129).

Almost surely, 2^5100126257 is an apocalyptic number.

It is an amenable number.

5100126257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5100126257 is an equidigital number, since it uses as much as digits as its factorization.

5100126257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 5100126257 is about 71415.1682557704. The cubic root of 5100126257 is about 1721.3148249393.

The spelling of 5100126257 in words is "five billion, one hundred million, one hundred twenty-six thousand, two hundred fifty-seven".