5065981 has 8 divisors (see below), whose sum is σ = 5314680. Its totient is φ = 4822272.

The previous prime is 5065979. The next prime is 5065987. The reversal of 5065981 is 1895605.

It can be written as a sum of positive squares in 4 ways, for example, as 70756 + 4995225 = 266^2 + 2235^2 .

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 5065981 - 2¹ = 5065979 is a prime.

It is a super-2 number, since 2×5065981² = 51328326984722, 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 (5065987) 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, 921 + ... + 3313.

It is an arithmetic number, because the mean of its divisors is an integer number (664335).

Almost surely, 2^5065981 is an apocalyptic number.

It is an amenable number.

5065981 is a deficient number, since it is larger than the sum of its proper divisors (248699).

5065981 is a wasteful number, since it uses less digits than its factorization.

5065981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2495.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 5065981 is about 2250.7734226261. The cubic root of 5065981 is about 171.7464829244.

The spelling of 5065981 in words is "five million, sixty-five thousand, nine hundred eighty-one".