5149813 has 8 divisors (see below), whose sum is σ = 5344256. Its totient is φ = 4957200.

The previous prime is 5149801. The next prime is 5149829. The reversal of 5149813 is 3189415.

5149813 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5149813 - 2⁹ = 5149301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149853) 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, 8095 + ... + 8707.

It is an arithmetic number, because the mean of its divisors is an integer number (668032).

Almost surely, 2^5149813 is an apocalyptic number.

It is an amenable number.

5149813 is a deficient number, since it is larger than the sum of its proper divisors (194443).

5149813 is a wasteful number, since it uses less digits than its factorization.

5149813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915.

The product of its digits is 4320, while the sum is 31.

The square root of 5149813 is about 2269.3199421853. The cubic root of 5149813 is about 172.6886600754.

The spelling of 5149813 in words is "five million, one hundred forty-nine thousand, eight hundred thirteen".