5132487257 has 4 divisors (see below), whose sum is σ = 5139490020. Its totient is φ = 5125484496.

The previous prime is 5132487209. The next prime is 5132487277. The reversal of 5132487257 is 7527842315.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3097033801 + 2035453456 = 55651^2 + 45116^2 .

It is a cyclic number.

It is not a de Polignac number, because 5132487257 - 2³⁰ = 4058745433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5132487277) 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 in 3 ways as a sum of consecutive naturals, for example, 3500282 + ... + 3501747.

It is an arithmetic number, because the mean of its divisors is an integer number (1284872505).

Almost surely, 2^5132487257 is an apocalyptic number.

It is an amenable number.

5132487257 is a deficient number, since it is larger than the sum of its proper divisors (7002763).

5132487257 is an equidigital number, since it uses as much as digits as its factorization.

5132487257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7002762.

The product of its digits is 470400, while the sum is 44.

The square root of 5132487257 is about 71641.3795023519. The cubic root of 5132487257 is about 1724.9478112895.

The spelling of 5132487257 in words is "five billion, one hundred thirty-two million, four hundred eighty-seven thousand, two hundred fifty-seven".