632801 has 4 divisors (see below), whose sum is σ = 681492. Its totient is φ = 584112.

The previous prime is 632777. The next prime is 632813. The reversal of 632801 is 108236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 211600 + 421201 = 460^2 + 649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (632851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24326 + ... + 24351.

It is an arithmetic number, because the mean of its divisors is an integer number (170373).

2⁶³²⁸⁰¹ is an apocalyptic number.

It is an amenable number.

632801 is a deficient number, since it is larger than the sum of its proper divisors (48691).

632801 is a wasteful number, since it uses less digits than its factorization.

632801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48690.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 632801 is about 795.4879005994. The cubic root of 632801 is about 85.8530481206.

The spelling of 632801 in words is "six hundred thirty-two thousand, eight hundred one".