65243112 has 64 divisors (see below), whose sum is σ = 187315200. Its totient is φ = 18728640.

The previous prime is 65243089. The next prime is 65243119. The reversal of 65243112 is 21134256.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (65243119) 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, 1488 + ... + 11519.

It is an arithmetic number, because the mean of its divisors is an integer number (2926800).

Almost surely, 2^65243112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65243112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93657600).

65243112 is an abundant number, since it is smaller than the sum of its proper divisors (122072088).

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

65243112 is a wasteful number, since it uses less digits than its factorization.

65243112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13046 (or 13042 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 65243112 is about 8077.3208429528. The cubic root of 65243112 is about 402.5732274211.

Adding to 65243112 its reverse (21134256), we get a palindrome (86377368).

The spelling of 65243112 in words is "sixty-five million, two hundred forty-three thousand, one hundred twelve".