5251871 has 8 divisors (see below), whose sum is σ = 5491920. Its totient is φ = 5015808.

The previous prime is 5251859. The next prime is 5251877. The reversal of 5251871 is 1781525.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5251871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251877) 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, 1880 + ... + 3746.

It is an arithmetic number, because the mean of its divisors is an integer number (686490).

Almost surely, 2^5251871 is an apocalyptic number.

5251871 is a deficient number, since it is larger than the sum of its proper divisors (240049).

5251871 is a wasteful number, since it uses less digits than its factorization.

5251871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993.

The product of its digits is 2800, while the sum is 29.

The square root of 5251871 is about 2291.6960967807. The cubic root of 5251871 is about 173.8219762869.

The spelling of 5251871 in words is "five million, two hundred fifty-one thousand, eight hundred seventy-one".