64232500 has 30 divisors (see below), whose sum is σ = 140469098. Its totient is φ = 25692000.

The previous prime is 64232489. The next prime is 64232507. The reversal of 64232500 is 523246.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 12306064 + 51926436 = 3508^2 + 7206^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64232507) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10347 + ... + 15346.

Almost surely, 2^64232500 is an apocalyptic number.

It is an amenable number.

64232500 is an abundant number, since it is smaller than the sum of its proper divisors (76236598).

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

64232500 is a wasteful number, since it uses less digits than its factorization.

64232500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25717 (or 25700 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 64232500 is about 8014.5180765908. The cubic root of 64232500 is about 400.4837896331.

Adding to 64232500 its reverse (523246), we get a palindrome (64755746).

The spelling of 64232500 in words is "sixty-four million, two hundred thirty-two thousand, five hundred".