65225512 has 32 divisors (see below), whose sum is σ = 133823520. Its totient is φ = 29557440.

The previous prime is 65225509. The next prime is 65225513. The reversal of 65225512 is 21552256.

It is not an unprimeable number, because it can be changed into a prime (65225513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34003 + ... + 35869.

It is an arithmetic number, because the mean of its divisors is an integer number (4181985).

Almost surely, 2^65225512 is an apocalyptic number.

It is an amenable number.

65225512 is an abundant number, since it is smaller than the sum of its proper divisors (68598008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65225512 is a wasteful number, since it uses less digits than its factorization.

65225512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281 (or 2277 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 65225512 is about 8076.2312993128. The cubic root of 65225512 is about 402.5370247437.

Adding to 65225512 its reverse (21552256), we get a palindrome (86777768).

The spelling of 65225512 in words is "sixty-five million, two hundred twenty-five thousand, five hundred twelve".