635457852 has 48 divisors (see below), whose sum is σ = 1687677600. Its totient is φ = 206651520.

The previous prime is 635457847. The next prime is 635457857. The reversal of 635457852 is 258754536.

635457852 is a `hidden beast` number, since 635 + 4 + 5 + 7 + 8 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (635457847) and next prime (635457857).

It is a junction number, because it is equal to n+sod(n) for n = 635457798 and 635457807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635457857) 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 15 ways as a sum of consecutive naturals, for example, 67327 + ... + 76182.

It is an arithmetic number, because the mean of its divisors is an integer number (35159950).

Almost surely, 2^635457852 is an apocalyptic number.

It is an amenable number.

635457852 is an abundant number, since it is smaller than the sum of its proper divisors (1052219748).

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

635457852 is a wasteful number, since it uses less digits than its factorization.

635457852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143563 (or 143555 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 635457852 is about 25208.2893509258. The cubic root of 635457852 is about 859.7303336949.

The spelling of 635457852 in words is "six hundred thirty-five million, four hundred fifty-seven thousand, eight hundred fifty-two".