632161 has 4 divisors (see below), whose sum is σ = 634032. Its totient is φ = 630292.

The previous prime is 632153. The next prime is 632189. The reversal of 632161 is 161236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 632161 - 2³ = 632153 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271 + ... + 1156.

It is an arithmetic number, because the mean of its divisors is an integer number (158508).

2⁶³²¹⁶¹ is an apocalyptic number.

It is an amenable number.

632161 is a deficient number, since it is larger than the sum of its proper divisors (1871).

632161 is a wasteful number, since it uses less digits than its factorization.

632161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1870.

The product of its digits is 216, while the sum is 19.

The square root of 632161 is about 795.0855299903. The cubic root of 632161 is about 85.8240951086.

Adding to 632161 its reverse (161236), we get a palindrome (793397).

The spelling of 632161 in words is "six hundred thirty-two thousand, one hundred sixty-one".