5257519 has 2 divisors, whose sum is σ = 5257520. Its totient is φ = 5257518.

The previous prime is 5257517. The next prime is 5257531. The reversal of 5257519 is 9157525.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5257519 - 2¹ = 5257517 is a prime.

It is a super-2 number, since 2×5257519² = 55283012070722, which contains 22 as substring.

Together with 5257517, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5257517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628759 + 2628760.

It is an arithmetic number, because the mean of its divisors is an integer number (2628760).

Almost surely, 2^5257519 is an apocalyptic number.

5257519 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257519 is an equidigital number, since it uses as much as digits as its factorization.

5257519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15750, while the sum is 34.

The square root of 5257519 is about 2292.9280407374. The cubic root of 5257519 is about 173.8842648694.

It can be divided in two parts, 5257 and 519, that added together give a square (5776 = 76²).

The spelling of 5257519 in words is "five million, two hundred fifty-seven thousand, five hundred nineteen".