5147851 has 4 divisors (see below), whose sum is σ = 5232304. Its totient is φ = 5063400.

The previous prime is 5147843. The next prime is 5147867. The reversal of 5147851 is 1587415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1587415 = 5 ⋅317483.

It is a cyclic number.

It is not a de Polignac number, because 5147851 - 2³ = 5147843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5147881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42135 + ... + 42256.

It is an arithmetic number, because the mean of its divisors is an integer number (1308076).

Almost surely, 2^5147851 is an apocalyptic number.

5147851 is a deficient number, since it is larger than the sum of its proper divisors (84453).

5147851 is an equidigital number, since it uses as much as digits as its factorization.

5147851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84452.

The product of its digits is 5600, while the sum is 31.

The square root of 5147851 is about 2268.8876129064. The cubic root of 5147851 is about 172.6667267101. Note that the first 3 decimals are identical.

It can be divided in two parts, 51478 and 51, that added together give a square (51529 = 227²).

The spelling of 5147851 in words is "five million, one hundred forty-seven thousand, eight hundred fifty-one".