65424242 has 32 divisors (see below), whose sum is σ = 109179840. Its totient is φ = 29211840.

The previous prime is 65424241. The next prime is 65424253. The reversal of 65424242 is 24242456.

It is not an unprimeable number, because it can be changed into a prime (65424241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155192 + ... + 155612.

It is an arithmetic number, because the mean of its divisors is an integer number (3411870).

Almost surely, 2^65424242 is an apocalyptic number.

65424242 is a deficient number, since it is larger than the sum of its proper divisors (43755598).

65424242 is a wasteful number, since it uses less digits than its factorization.

65424242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618.

The product of its digits is 15360, while the sum is 29.

The square root of 65424242 is about 8088.5253291314. The cubic root of 65424242 is about 402.9454287216.

Adding to 65424242 its reverse (24242456), we get a palindrome (89666698).

The spelling of 65424242 in words is "sixty-five million, four hundred twenty-four thousand, two hundred forty-two".