5981081 has 4 divisors (see below), whose sum is σ = 6241152. Its totient is φ = 5721012.

The previous prime is 5981077. The next prime is 5981099. The reversal of 5981081 is 1801895.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 5981081 - 2² = 5981077 is a prime.

It is a super-2 number, since 2×5981081² = 71546659857122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5981021) 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, 130001 + ... + 130046.

It is an arithmetic number, because the mean of its divisors is an integer number (1560288).

Almost surely, 2^5981081 is an apocalyptic number.

It is an amenable number.

5981081 is a deficient number, since it is larger than the sum of its proper divisors (260071).

5981081 is a wasteful number, since it uses less digits than its factorization.

5981081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260070.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 5981081 is about 2445.6248690263. The cubic root of 5981081 is about 181.5208687209.

The spelling of 5981081 in words is "five million, nine hundred eighty-one thousand, eighty-one".