65421112 has 16 divisors (see below), whose sum is σ = 122839200. Its totient is φ = 32664000.

The previous prime is 65421107. The next prime is 65421113. The reversal of 65421112 is 21112456.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65421113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564 + ... + 11452.

It is an arithmetic number, because the mean of its divisors is an integer number (7677450).

Almost surely, 2^65421112 is an apocalyptic number.

It is an amenable number.

65421112 is a deficient number, since it is larger than the sum of its proper divisors (57418088).

65421112 is a wasteful number, since it uses less digits than its factorization.

65421112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11646 (or 11642 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 65421112 is about 8088.3318428462. The cubic root of 65421112 is about 402.9390027686.

Adding to 65421112 its reverse (21112456), we get a palindrome (86533568).

The spelling of 65421112 in words is "sixty-five million, four hundred twenty-one thousand, one hundred twelve".