64203112 has 8 divisors (see below), whose sum is σ = 120380850. Its totient is φ = 32101552.

The previous prime is 64203059. The next prime is 64203119. The reversal of 64203112 is 21130246.

It can be written as a sum of positive squares in only one way, i.e., 62315236 + 1887876 = 7894^2 + 1374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 64203112.

It is not an unprimeable number, because it can be changed into a prime (64203119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4012687 + ... + 4012702.

Almost surely, 2^64203112 is an apocalyptic number.

It is an amenable number.

64203112 is a deficient number, since it is larger than the sum of its proper divisors (56177738).

64203112 is a wasteful number, since it uses less digits than its factorization.

64203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8025395 (or 8025391 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 64203112 is about 8012.6844440549. The cubic root of 64203112 is about 400.4227031478.

Adding to 64203112 its reverse (21130246), we get a palindrome (85333358).

The spelling of 64203112 in words is "sixty-four million, two hundred three thousand, one hundred twelve".