4825861 has 4 divisors (see below), whose sum is σ = 4992300. Its totient is φ = 4659424.

The previous prime is 4825853. The next prime is 4825871. The reversal of 4825861 is 1685284.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1196836 + 3629025 = 1094^2 + 1905^2 .

It is a cyclic number.

It is not a de Polignac number, because 4825861 - 2³ = 4825853 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4825831) 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, 83176 + ... + 83233.

It is an arithmetic number, because the mean of its divisors is an integer number (1248075).

Almost surely, 2^4825861 is an apocalyptic number.

It is an amenable number.

4825861 is a deficient number, since it is larger than the sum of its proper divisors (166439).

4825861 is a wasteful number, since it uses less digits than its factorization.

4825861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166438.

The product of its digits is 15360, while the sum is 34.

The square root of 4825861 is about 2196.7842406572. The cubic root of 4825861 is about 168.9889352372.

The spelling of 4825861 in words is "four million, eight hundred twenty-five thousand, eight hundred sixty-one".