65524572 has 48 divisors (see below), whose sum is σ = 175744800. Its totient is φ = 21087360.

The previous prime is 65524549. The next prime is 65524577. The reversal of 65524572 is 27542556.

65524572 is a `hidden beast` number, since 65 + 5 + 24 + 572 = 666.

65524572 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

65524572 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65524577) 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 15 ways as a sum of consecutive naturals, for example, 7329 + ... + 13592.

It is an arithmetic number, because the mean of its divisors is an integer number (3661350).

Almost surely, 2^65524572 is an apocalyptic number.

It is an amenable number.

65524572 is an abundant number, since it is smaller than the sum of its proper divisors (110220228).

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

65524572 is a wasteful number, since it uses less digits than its factorization.

65524572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20963 (or 20955 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 65524572 is about 8094.7249490023. The cubic root of 65524572 is about 403.1512997444.

The spelling of 65524572 in words is "sixty-five million, five hundred twenty-four thousand, five hundred seventy-two".