65112225 has 24 divisors (see below), whose sum is σ = 108094272. Its totient is φ = 34584000.

The previous prime is 65112199. The next prime is 65112251. The reversal of 65112225 is 52221156.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (65112199) and next prime (65112251).

It is not a de Polignac number, because 65112225 - 2⁷ = 65112097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65112195 and 65112204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18075 + ... + 21375.

It is an arithmetic number, because the mean of its divisors is an integer number (4503928).

Almost surely, 2^65112225 is an apocalyptic number.

It is an amenable number.

65112225 is a deficient number, since it is larger than the sum of its proper divisors (42982047).

65112225 is a wasteful number, since it uses less digits than its factorization.

65112225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3577 (or 3572 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 65112225 is about 8069.2146458004. The cubic root of 65112225 is about 402.3038407362.

The spelling of 65112225 in words is "sixty-five million, one hundred twelve thousand, two hundred twenty-five".