5161851 has 12 divisors (see below), whose sum is σ = 7583160. Its totient is φ = 3382560.

The previous prime is 5161847. The next prime is 5161873. The reversal of 5161851 is 1581615.

It is not a de Polignac number, because 5161851 - 2² = 5161847 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5161811) 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, 4330 + ... + 5391.

It is an arithmetic number, because the mean of its divisors is an integer number (631930).

Almost surely, 2^5161851 is an apocalyptic number.

5161851 is a deficient number, since it is larger than the sum of its proper divisors (2421309).

5161851 is a wasteful number, since it uses less digits than its factorization.

5161851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9786 (or 9783 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 5161851 is about 2271.9707304453. The cubic root of 5161851 is about 172.8231121028.

The spelling of 5161851 in words is "five million, one hundred sixty-one thousand, eight hundred fifty-one".