5257537 has 4 divisors (see below), whose sum is σ = 5273476. Its totient is φ = 5241600.

The previous prime is 5257531. The next prime is 5257541. The reversal of 5257537 is 7357525.

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 3418801 + 1838736 = 1849^2 + 1356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5257537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5257531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7464 + ... + 8137.

It is an arithmetic number, because the mean of its divisors is an integer number (1318369).

Almost surely, 2^5257537 is an apocalyptic number.

It is an amenable number.

5257537 is a deficient number, since it is larger than the sum of its proper divisors (15939).

5257537 is a wasteful number, since it uses less digits than its factorization.

5257537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938.

The product of its digits is 36750, while the sum is 34.

The square root of 5257537 is about 2292.9319658463. The cubic root of 5257537 is about 173.8844633098.

The spelling of 5257537 in words is "five million, two hundred fifty-seven thousand, five hundred thirty-seven".