5425851 has 4 divisors (see below), whose sum is σ = 7234472. Its totient is φ = 3617232.

The previous prime is 5425841. The next prime is 5425853. The reversal of 5425851 is 1585245.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5425851 - 2⁶ = 5425787 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5425853) 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 3 ways as a sum of consecutive naturals, for example, 904306 + ... + 904311.

It is an arithmetic number, because the mean of its divisors is an integer number (1808618).

Almost surely, 2^5425851 is an apocalyptic number.

5425851 is a deficient number, since it is larger than the sum of its proper divisors (1808621).

5425851 is a wasteful number, since it uses less digits than its factorization.

5425851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808620.

The product of its digits is 8000, while the sum is 30.

The square root of 5425851 is about 2329.3456162622. The cubic root of 5425851 is about 175.7205771899.

Subtracting from 5425851 its reverse (1585245), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 5425851 in words is "five million, four hundred twenty-five thousand, eight hundred fifty-one".