5019681 has 12 divisors (see below), whose sum is σ = 6998768. Its totient is φ = 3199944.

The previous prime is 5019659. The next prime is 5019701. The reversal of 5019681 is 1869105.

It is a happy number.

It is not a de Polignac number, because 5019681 - 2⁵ = 5019649 is a prime.

It is a super-2 number, since 2×5019681² = 50394394683522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5019601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6 + ... + 3168.

Almost surely, 2^5019681 is an apocalyptic number.

It is an amenable number.

5019681 is a deficient number, since it is larger than the sum of its proper divisors (1979087).

5019681 is a wasteful number, since it uses less digits than its factorization.

5019681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3212 (or 3189 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 5019681 is about 2240.4644607759. The cubic root of 5019681 is about 171.2216611782.

The spelling of 5019681 in words is "five million, nineteen thousand, six hundred eighty-one".