636525152 has 48 divisors (see below), whose sum is σ = 1341884880. Its totient is φ = 296153088.

The previous prime is 636525151. The next prime is 636525163. The reversal of 636525152 is 251525636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636525151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41843 + ... + 54989.

It is an arithmetic number, because the mean of its divisors is an integer number (27955935).

Almost surely, 2^636525152 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 636525152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670942440).

636525152 is an abundant number, since it is smaller than the sum of its proper divisors (705359728).

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

636525152 is a wasteful number, since it uses less digits than its factorization.

636525152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13263 (or 13255 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 636525152 is about 25229.4500930956. The cubic root of 636525152 is about 860.2113920584.

The spelling of 636525152 in words is "six hundred thirty-six million, five hundred twenty-five thousand, one hundred fifty-two".