5257181 has 4 divisors (see below), whose sum is σ = 5263452. Its totient is φ = 5250912.

The previous prime is 5257171. The next prime is 5257201. The reversal of 5257181 is 1817525.

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 3644281 + 1612900 = 1909^2 + 1270^2 .

It is a cyclic number.

It is not a de Polignac number, because 5257181 - 2⁶ = 5257117 is a prime.

It is a super-2 number, since 2×5257181² = 55275904133522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5257111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640 + ... + 3633.

It is an arithmetic number, because the mean of its divisors is an integer number (1315863).

Almost surely, 2^5257181 is an apocalyptic number.

It is an amenable number.

5257181 is a deficient number, since it is larger than the sum of its proper divisors (6271).

5257181 is an equidigital number, since it uses as much as digits as its factorization.

5257181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270.

The product of its digits is 2800, while the sum is 29.

The square root of 5257181 is about 2292.8543346667. The cubic root of 5257181 is about 173.8805385148.

The spelling of 5257181 in words is "five million, two hundred fifty-seven thousand, one hundred eighty-one".