65265512 has 32 divisors (see below), whose sum is σ = 132119400. Its totient is φ = 30046464.

The previous prime is 65265511. The next prime is 65265539. The reversal of 65265512 is 21556256.

It can be written as a sum of positive squares in 4 ways, for example, as 50779876 + 14485636 = 7126^2 + 3806^2 .

It is not an unprimeable number, because it can be changed into a prime (65265511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78314 + ... + 79142.

Almost surely, 2^65265512 is an apocalyptic number.

It is an amenable number.

65265512 is an abundant number, since it is smaller than the sum of its proper divisors (66853888).

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

65265512 is a wasteful number, since it uses less digits than its factorization.

65265512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605 (or 1601 counting only the distinct ones).

The product of its digits is 18000, while the sum is 32.

The square root of 65265512 is about 8078.7073223381. The cubic root of 65265512 is about 402.6192941409.

The spelling of 65265512 in words is "sixty-five million, two hundred sixty-five thousand, five hundred twelve".