5257254819 has 4 divisors (see below), whose sum is σ = 7009673096. Its totient is φ = 3504836544.

The previous prime is 5257254787. The next prime is 5257254823. The reversal of 5257254819 is 9184527525.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5257254819 - 2⁵ = 5257254787 is a prime.

It is a super-2 number, since 2×5257254819² = 55277456463797445522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5257254839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 876209134 + ... + 876209139.

It is an arithmetic number, because the mean of its divisors is an integer number (1752418274).

Almost surely, 2^5257254819 is an apocalyptic number.

5257254819 is a deficient number, since it is larger than the sum of its proper divisors (1752418277).

5257254819 is a wasteful number, since it uses less digits than its factorization.

5257254819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752418276.

The product of its digits is 1008000, while the sum is 48.

The square root of 5257254819 is about 72506.9294550528. The cubic root of 5257254819 is about 1738.8135236204.

The spelling of 5257254819 in words is "five billion, two hundred fifty-seven million, two hundred fifty-four thousand, eight hundred nineteen".