64551252 has 24 divisors (see below), whose sum is σ = 151272576. Its totient is φ = 21423808.

The previous prime is 64551247. The next prime is 64551293. The reversal of 64551252 is 25215546.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8748 + ... + 14339.

It is an arithmetic number, because the mean of its divisors is an integer number (6303024).

Almost surely, 2^64551252 is an apocalyptic number.

It is an amenable number.

64551252 is an abundant number, since it is smaller than the sum of its proper divisors (86721324).

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

64551252 is a wasteful number, since it uses less digits than its factorization.

64551252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23327 (or 23325 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 64551252 is about 8034.3793786452. The cubic root of 64551252 is about 401.1451600591.

Adding to 64551252 its reverse (25215546), we get a palindrome (89766798).

The spelling of 64551252 in words is "sixty-four million, five hundred fifty-one thousand, two hundred fifty-two".