5717281 has 2 divisors, whose sum is σ = 5717282. Its totient is φ = 5717280.

The previous prime is 5717251. The next prime is 5717291. The reversal of 5717281 is 1827175.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5716881 + 400 = 2391^2 + 20^2 .

It is a cyclic number.

It is not a de Polignac number, because 5717281 - 2⁵ = 5717249 is a prime.

It is a super-2 number, since 2×5717281² = 65374604065922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5717251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2858640 + 2858641.

It is an arithmetic number, because the mean of its divisors is an integer number (2858641).

Almost surely, 2^5717281 is an apocalyptic number.

It is an amenable number.

5717281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5717281 is an equidigital number, since it uses as much as digits as its factorization.

5717281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3920, while the sum is 31.

The square root of 5717281 is about 2391.0836455465. The cubic root of 5717281 is about 178.8119390220.

The spelling of 5717281 in words is "five million, seven hundred seventeen thousand, two hundred eighty-one".