5081386 has 4 divisors (see below), whose sum is σ = 7622082. Its totient is φ = 2540692.

The previous prime is 5081381. The next prime is 5081387. The reversal of 5081386 is 6831805.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4541161 + 540225 = 2131^2 + 735^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (5081381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270345 + ... + 1270348.

Almost surely, 2^5081386 is an apocalyptic number.

5081386 is a deficient number, since it is larger than the sum of its proper divisors (2540696).

5081386 is a wasteful number, since it uses less digits than its factorization.

5081386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540695.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 5081386 is about 2254.1929819783. The cubic root of 5081386 is about 171.9203931233.

The spelling of 5081386 in words is "five million, eighty-one thousand, three hundred eighty-six".