5257618 has 4 divisors (see below), whose sum is σ = 7886430. Its totient is φ = 2628808.

The previous prime is 5257597. The next prime is 5257619. The reversal of 5257618 is 8167525.

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

It can be written as a sum of positive squares in only one way, i.e., 3523129 + 1734489 = 1877^2 + 1317^2 .

It is not an unprimeable number, because it can be changed into a prime (5257619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314403 + ... + 1314406.

Almost surely, 2^5257618 is an apocalyptic number.

5257618 is a deficient number, since it is larger than the sum of its proper divisors (2628812).

5257618 is a wasteful number, since it uses less digits than its factorization.

5257618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628811.

The product of its digits is 16800, while the sum is 34.

The square root of 5257618 is about 2292.9496287533. The cubic root of 5257618 is about 173.8853562862.

The spelling of 5257618 in words is "five million, two hundred fifty-seven thousand, six hundred eighteen".