5140620257 has 2 divisors, whose sum is σ = 5140620258. Its totient is φ = 5140620256.

The previous prime is 5140620227. The next prime is 5140620281. The reversal of 5140620257 is 7520260415.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4754929936 + 385690321 = 68956^2 + 19639^2 .

It is a cyclic number.

It is not a de Polignac number, because 5140620257 - 2⁶ = 5140620193 is a prime.

It is not a weakly prime, because it can be changed into another prime (5140620227) 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, 2570310128 + 2570310129.

It is an arithmetic number, because the mean of its divisors is an integer number (2570310129).

Almost surely, 2^5140620257 is an apocalyptic number.

It is an amenable number.

5140620257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5140620257 is an equidigital number, since it uses as much as digits as its factorization.

5140620257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 5140620257 is about 71698.1189223260. The cubic root of 5140620257 is about 1725.8584546865.

The spelling of 5140620257 in words is "five billion, one hundred forty million, six hundred twenty thousand, two hundred fifty-seven".