5697581 has 2 divisors, whose sum is σ = 5697582. Its totient is φ = 5697580.

The previous prime is 5697563. The next prime is 5697599. The reversal of 5697581 is 1857965.

It is a balanced prime because it is at equal distance from previous prime (5697563) and next prime (5697599).

It can be written as a sum of positive squares in only one way, i.e., 5248681 + 448900 = 2291^2 + 670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5697581 is a prime.

It is a super-2 number, since 2×5697581² = 64924858503122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5697551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2848790 + 2848791.

It is an arithmetic number, because the mean of its divisors is an integer number (2848791).

Almost surely, 2^5697581 is an apocalyptic number.

It is an amenable number.

5697581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5697581 is an equidigital number, since it uses as much as digits as its factorization.

5697581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 41.

The square root of 5697581 is about 2386.9606197003. The cubic root of 5697581 is about 178.6063256141.

The spelling of 5697581 in words is "five million, six hundred ninety-seven thousand, five hundred eighty-one".