5726257 has 2 divisors, whose sum is σ = 5726258. Its totient is φ = 5726256.

The previous prime is 5726251. The next prime is 5726269. The reversal of 5726257 is 7526275.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5456896 + 269361 = 2336^2 + 519^2 .

It is a cyclic number.

It is not a de Polignac number, because 5726257 - 2³ = 5726249 is a prime.

It is a super-4 number, since 4×5726257⁴ (a number of 28 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (5726251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2863128 + 2863129.

It is an arithmetic number, because the mean of its divisors is an integer number (2863129).

Almost surely, 2^5726257 is an apocalyptic number.

It is an amenable number.

5726257 is a deficient number, since it is larger than the sum of its proper divisors (1).

5726257 is an equidigital number, since it uses as much as digits as its factorization.

5726257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29400, while the sum is 34.

The square root of 5726257 is about 2392.9598826558. The cubic root of 5726257 is about 178.9054669741.

The spelling of 5726257 in words is "five million, seven hundred twenty-six thousand, two hundred fifty-seven".