5375581 has 2 divisors, whose sum is σ = 5375582. Its totient is φ = 5375580.

The previous prime is 5375567. The next prime is 5375597. The reversal of 5375581 is 1855735.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5331481 + 44100 = 2309^2 + 210^2 .

It is a cyclic number.

It is not a de Polignac number, because 5375581 - 2⁷ = 5375453 is a prime.

It is a super-2 number, since 2×5375581² = 57793742175122, which contains 22 as substring.

5375581 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5375521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2687790 + 2687791.

It is an arithmetic number, because the mean of its divisors is an integer number (2687791).

Almost surely, 2^5375581 is an apocalyptic number.

It is an amenable number.

5375581 is a deficient number, since it is larger than the sum of its proper divisors (1).

5375581 is an equidigital number, since it uses as much as digits as its factorization.

5375581 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21000, while the sum is 34.

The square root of 5375581 is about 2318.5299221705. The cubic root of 5375581 is about 175.1762143401.

The spelling of 5375581 in words is "five million, three hundred seventy-five thousand, five hundred eighty-one".