632021 has 8 divisors (see below), whose sum is σ = 692664. Its totient is φ = 573120.

The previous prime is 631993. The next prime is 632029. The reversal of 632021 is 120236.

632021 is nontrivially palindromic in base 7.

632021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7921 + 624100 = 89^2 + 790^2 .

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 632021 - 2¹⁰ = 630997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 631987 and 632005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (86583).

2⁶³²⁰²¹ is an apocalyptic number.

632021 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

632021 is a deficient number, since it is larger than the sum of its proper divisors (60643).

632021 is a wasteful number, since it uses less digits than its factorization.

632021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 632021 is about 794.9974842727. The cubic root of 632021 is about 85.8177590326.

Adding to 632021 its reverse (120236), we get a palindrome (752257).

The spelling of 632021 in words is "six hundred thirty-two thousand, twenty-one".