5149905 has 8 divisors (see below), whose sum is σ = 8239872. Its totient is φ = 2746608.

The previous prime is 5149891. The next prime is 5149913. The reversal of 5149905 is 5099415.

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

It is not a de Polignac number, because 5149905 - 2⁶ = 5149841 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171649 + ... + 171678.

It is an arithmetic number, because the mean of its divisors is an integer number (1029984).

Almost surely, 2^5149905 is an apocalyptic number.

It is an amenable number.

5149905 is a deficient number, since it is larger than the sum of its proper divisors (3089967).

5149905 is a wasteful number, since it uses less digits than its factorization.

5149905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343335.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 5149905 is about 2269.3402124847. The cubic root of 5149905 is about 172.6896884145.

The spelling of 5149905 in words is "five million, one hundred forty-nine thousand, nine hundred five".