65609242 has 16 divisors (see below), whose sum is σ = 104176800. Its totient is φ = 30903120.

The previous prime is 65609233. The next prime is 65609279. The reversal of 65609242 is 24290656.

It is a junction number, because it is equal to n+sod(n) for n = 65609198 and 65609207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2109 + ... + 11647.

It is an arithmetic number, because the mean of its divisors is an integer number (6511050).

Almost surely, 2^65609242 is an apocalyptic number.

65609242 is a deficient number, since it is larger than the sum of its proper divisors (38567558).

65609242 is a wasteful number, since it uses less digits than its factorization.

65609242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9741.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 65609242 is about 8099.9532097414. The cubic root of 65609242 is about 403.3248739584.

Adding to 65609242 its reverse (24290656), we get a palindrome (89899898).

The spelling of 65609242 in words is "sixty-five million, six hundred nine thousand, two hundred forty-two".