5257115477 has 2 divisors, whose sum is σ = 5257115478. Its totient is φ = 5257115476.

The previous prime is 5257115471. The next prime is 5257115509. The reversal of 5257115477 is 7745117525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3070711396 + 2186404081 = 55414^2 + 46759^2 .

It is a cyclic number.

It is not a de Polignac number, because 5257115477 - 2¹² = 5257111381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5257115471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628557738 + 2628557739.

It is an arithmetic number, because the mean of its divisors is an integer number (2628557739).

Almost surely, 2^5257115477 is an apocalyptic number.

It is an amenable number.

5257115477 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257115477 is an equidigital number, since it uses as much as digits as its factorization.

5257115477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 343000, while the sum is 44.

The square root of 5257115477 is about 72505.9685612157. The cubic root of 5257115477 is about 1738.7981612369.

The spelling of 5257115477 in words is "five billion, two hundred fifty-seven million, one hundred fifteen thousand, four hundred seventy-seven".