5149971 has 12 divisors (see below), whose sum is σ = 7463040. Its totient is φ = 3422160.

The previous prime is 5149961. The next prime is 5149973. The reversal of 5149971 is 1799415.

It is a de Polignac number, because none of the positive numbers 2^k-5149971 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5149973) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2766 + ... + 4236.

It is an arithmetic number, because the mean of its divisors is an integer number (621920).

Almost surely, 2^5149971 is an apocalyptic number.

5149971 is a deficient number, since it is larger than the sum of its proper divisors (2313069).

5149971 is a wasteful number, since it uses less digits than its factorization.

5149971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1863 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 5149971 is about 2269.3547541096. The cubic root of 5149971 is about 172.6904261284.

The spelling of 5149971 in words is "five million, one hundred forty-nine thousand, nine hundred seventy-one".