5423851 has 4 divisors (see below), whose sum is σ = 5504872. Its totient is φ = 5342832.

The previous prime is 5423843. The next prime is 5423857. The reversal of 5423851 is 1583245.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1583245 = 5 ⋅316649.

It is a cyclic number.

It is not a de Polignac number, because 5423851 - 2³ = 5423843 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5423857) 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, 40410 + ... + 40543.

It is an arithmetic number, because the mean of its divisors is an integer number (1376218).

Almost surely, 2^5423851 is an apocalyptic number.

5423851 is a deficient number, since it is larger than the sum of its proper divisors (81021).

5423851 is an equidigital number, since it uses as much as digits as its factorization.

5423851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81020.

The product of its digits is 4800, while the sum is 28.

The square root of 5423851 is about 2328.9162715735. The cubic root of 5423851 is about 175.6989839969.

Subtracting from 5423851 its reverse (1583245), we obtain a triangular number (3840606 = T₂₇₇₁).

It can be divided in two parts, 54238 and 51, that added together give a square (54289 = 233²).

The spelling of 5423851 in words is "five million, four hundred twenty-three thousand, eight hundred fifty-one".