5825581 has 2 divisors, whose sum is σ = 5825582. Its totient is φ = 5825580.

The previous prime is 5825569. The next prime is 5825591. The reversal of 5825581 is 1855285.

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., 5103081 + 722500 = 2259^2 + 850^2 .

It is a cyclic number.

It is not a de Polignac number, because 5825581 - 2¹³ = 5817389 is a prime.

It is a super-2 number, since 2×5825581² = 67874787975122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5825591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2912790 + 2912791.

It is an arithmetic number, because the mean of its divisors is an integer number (2912791).

Almost surely, 2^5825581 is an apocalyptic number.

It is an amenable number.

5825581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5825581 is an equidigital number, since it uses as much as digits as its factorization.

5825581 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16000, while the sum is 34.

The square root of 5825581 is about 2413.6240386605. The cubic root of 5825581 is about 179.9339366618.

The spelling of 5825581 in words is "five million, eight hundred twenty-five thousand, five hundred eighty-one".