5409081 has 12 divisors (see below), whose sum is σ = 7921108. Its totient is φ = 3556224.

The previous prime is 5409059. The next prime is 5409101. The reversal of 5409081 is 1809045.

It can be written as a sum of positive squares in 2 ways, for example, as 2005056 + 3404025 = 1416^2 + 1845^2 .

It is not a de Polignac number, because 5409081 - 2⁵ = 5409049 is a prime.

It is a super-2 number, since 2×5409081² = 58516314529122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5409031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3460 + ... + 4773.

Almost surely, 2^5409081 is an apocalyptic number.

It is an amenable number.

5409081 is a deficient number, since it is larger than the sum of its proper divisors (2512027).

5409081 is a wasteful number, since it uses less digits than its factorization.

5409081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8312 (or 8309 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 5409081 is about 2325.7431070520. The cubic root of 5409081 is about 175.5393536799.

The spelling of 5409081 in words is "five million, four hundred nine thousand, eighty-one".