65102225 has 12 divisors (see below), whose sum is σ = 81933744. Its totient is φ = 51303120.

The previous prime is 65102221. The next prime is 65102237. The reversal of 65102225 is 52220156.

It is not a de Polignac number, because 65102225 - 2² = 65102221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65102225.

It is not an unprimeable number, because it can be changed into a prime (65102221) 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, 17759 + ... + 21108.

It is an arithmetic number, because the mean of its divisors is an integer number (6827812).

Almost surely, 2^65102225 is an apocalyptic number.

It is an amenable number.

65102225 is a deficient number, since it is larger than the sum of its proper divisors (16831519).

65102225 is a wasteful number, since it uses less digits than its factorization.

65102225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38944 (or 38939 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 65102225 is about 8068.5949830190. The cubic root of 65102225 is about 402.2832442743.

The spelling of 65102225 in words is "sixty-five million, one hundred two thousand, two hundred twenty-five".