632452891 has 8 divisors (see below), whose sum is σ = 724105440. Its totient is φ = 541125888.

The previous prime is 632452889. The next prime is 632452897. The reversal of 632452891 is 198254236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 632452891 - 2¹ = 632452889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632452897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77206 + ... + 85003.

It is an arithmetic number, because the mean of its divisors is an integer number (90513180).

Almost surely, 2^632452891 is an apocalyptic number.

632452891 is a deficient number, since it is larger than the sum of its proper divisors (91652549).

632452891 is a wasteful number, since it uses less digits than its factorization.

632452891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162773.

The product of its digits is 103680, while the sum is 40.

The square root of 632452891 is about 25148.6160851845. The cubic root of 632452891 is about 858.3730241195.

The spelling of 632452891 in words is "six hundred thirty-two million, four hundred fifty-two thousand, eight hundred ninety-one".