5257538 has 32 divisors (see below), whose sum is σ = 9580032. Its totient is φ = 2131200.

The previous prime is 5257531. The next prime is 5257541. The reversal of 5257538 is 8357525.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5257498 and 5257507.

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 15 ways as a sum of consecutive naturals, for example, 8570 + ... + 9162.

It is an arithmetic number, because the mean of its divisors is an integer number (299376).

Almost surely, 2^5257538 is an apocalyptic number.

5257538 is a deficient number, since it is larger than the sum of its proper divisors (4322494).

5257538 is a wasteful number, since it uses less digits than its factorization.

5257538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650.

The product of its digits is 42000, while the sum is 35.

The square root of 5257538 is about 2292.9321839078. The cubic root of 5257538 is about 173.8844743343.

It can be divided in two parts, 525753 and 8, that multiplied together give a palindrome (4206024).

The spelling of 5257538 in words is "five million, two hundred fifty-seven thousand, five hundred thirty-eight".