5151971 has 8 divisors (see below), whose sum is σ = 5727024. Its totient is φ = 4594720.

The previous prime is 5151967. The next prime is 5151989. The reversal of 5151971 is 1791515.

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 5151971 - 2² = 5151967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5151371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3836 + ... + 5001.

It is an arithmetic number, because the mean of its divisors is an integer number (715878).

Almost surely, 2^5151971 is an apocalyptic number.

5151971 is a deficient number, since it is larger than the sum of its proper divisors (575053).

5151971 is a wasteful number, since it uses less digits than its factorization.

5151971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8901.

The product of its digits is 1575, while the sum is 29.

The square root of 5151971 is about 2269.7953652257. The cubic root of 5151971 is about 172.7127781088.

The spelling of 5151971 in words is "five million, one hundred fifty-one thousand, nine hundred seventy-one".