5161225 has 12 divisors (see below), whose sum is σ = 6428160. Its totient is φ = 4110800.

The previous prime is 5161187. The next prime is 5161229. The reversal of 5161225 is 5221615.

It is a de Polignac number, because none of the positive numbers 2^k-5161225 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 5161196 and 5161205.

It is not an unprimeable number, because it can be changed into a prime (5161229) 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, 10536 + ... + 11014.

It is an arithmetic number, because the mean of its divisors is an integer number (535680).

Almost surely, 2^5161225 is an apocalyptic number.

It is an amenable number.

5161225 is a deficient number, since it is larger than the sum of its proper divisors (1266935).

5161225 is a wasteful number, since it uses less digits than its factorization.

5161225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 915 counting only the distinct ones).

The product of its digits is 600, while the sum is 22.

The square root of 5161225 is about 2271.8329604088. The cubic root of 5161225 is about 172.8161254849.

The spelling of 5161225 in words is "five million, one hundred sixty-one thousand, two hundred twenty-five".