65563242 has 32 divisors (see below), whose sum is σ = 133324800. Its totient is φ = 21491568.

The previous prime is 65563231. The next prime is 65563283. The reversal of 65563242 is 24236556.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105609 + ... + 106227.

It is an arithmetic number, because the mean of its divisors is an integer number (4166400).

Almost surely, 2^65563242 is an apocalyptic number.

65563242 is an abundant number, since it is smaller than the sum of its proper divisors (67761558).

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

65563242 is a wasteful number, since it uses less digits than its factorization.

65563242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890.

The product of its digits is 43200, while the sum is 33.

The square root of 65563242 is about 8097.1131892793. The cubic root of 65563242 is about 403.2305921099.

Adding to 65563242 its reverse (24236556), we get a palindrome (89799798).

The spelling of 65563242 in words is "sixty-five million, five hundred sixty-three thousand, two hundred forty-two".