5390081 has 4 divisors (see below), whose sum is σ = 5395392. Its totient is φ = 5384772.

The previous prime is 5390059. The next prime is 5390087. The reversal of 5390081 is 1800935.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1800935 = 5 ⋅360187.

It is a cyclic number.

It is not a de Polignac number, because 5390081 - 2⁶ = 5390017 is a prime.

It is a super-2 number, since 2×5390081² = 58105946373122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5390081.

It is not an unprimeable number, because it can be changed into a prime (5390087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605 + ... + 3338.

It is an arithmetic number, because the mean of its divisors is an integer number (1348848).

Almost surely, 2^5390081 is an apocalyptic number.

It is an amenable number.

5390081 is a deficient number, since it is larger than the sum of its proper divisors (5311).

5390081 is a wasteful number, since it uses less digits than its factorization.

5390081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 5390081 is about 2321.6547977682. The cubic root of 5390081 is about 175.3335787062. Note that the first 3 decimals are identical.

The spelling of 5390081 in words is "five million, three hundred ninety thousand, eighty-one".