65452242 has 16 divisors (see below), whose sum is σ = 132201792. Its totient is φ = 21601200.

The previous prime is 65452213. The next prime is 65452243. The reversal of 65452242 is 24225456.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (65452243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53398 + ... + 54609.

It is an arithmetic number, because the mean of its divisors is an integer number (8262612).

Almost surely, 2^65452242 is an apocalyptic number.

65452242 is an abundant number, since it is smaller than the sum of its proper divisors (66749550).

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

65452242 is a wasteful number, since it uses less digits than its factorization.

65452242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108113.

The product of its digits is 19200, while the sum is 30.

The square root of 65452242 is about 8090.2559910055. The cubic root of 65452242 is about 403.0029041695.

Adding to 65452242 its reverse (24225456), we get a palindrome (89677698).

The spelling of 65452242 in words is "sixty-five million, four hundred fifty-two thousand, two hundred forty-two".