4561851 has 12 divisors (see below), whose sum is σ = 7075752. Its totient is φ = 2606688.

The previous prime is 4561849. The next prime is 4561853. The reversal of 4561851 is 1581654.

It is an interprime number because it is at equal distance from previous prime (4561849) and next prime (4561853).

It is not a de Polignac number, because 4561851 - 2¹ = 4561849 is a prime.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (4561853) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15370 + ... + 15663.

It is an arithmetic number, because the mean of its divisors is an integer number (589646).

Almost surely, 2^4561851 is an apocalyptic number.

4561851 is a deficient number, since it is larger than the sum of its proper divisors (2513901).

4561851 is a wasteful number, since it uses less digits than its factorization.

4561851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31050 (or 31043 counting only the distinct ones).

The product of its digits is 4800, while the sum is 30.

The square root of 4561851 is about 2135.8490115174. The cubic root of 4561851 is about 165.8493213432.

The spelling of 4561851 in words is "four million, five hundred sixty-one thousand, eight hundred fifty-one".