5183981 has 8 divisors (see below), whose sum is σ = 5694528. Its totient is φ = 4680000.

The previous prime is 5183977. The next prime is 5183987. The reversal of 5183981 is 1893815.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5183981 - 2² = 5183977 is a prime.

It is a super-2 number, since 2×5183981² = 53747318016722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5183987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101 + ... + 3221.

It is an arithmetic number, because the mean of its divisors is an integer number (711816).

Almost surely, 2^5183981 is an apocalyptic number.

It is an amenable number.

5183981 is a deficient number, since it is larger than the sum of its proper divisors (510547).

5183981 is a wasteful number, since it uses less digits than its factorization.

5183981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283.

The product of its digits is 8640, while the sum is 35.

The square root of 5183981 is about 2276.8357428677. The cubic root of 5183981 is about 173.0697369957.

The spelling of 5183981 in words is "five million, one hundred eighty-three thousand, nine hundred eighty-one".