321632052 has 24 divisors (see below), whose sum is σ = 857685696. Its totient is φ = 91894848.

The previous prime is 321632039. The next prime is 321632053. The reversal of 321632052 is 250236123.

321632052 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321632053) 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, 1914393 + ... + 1914560.

It is an arithmetic number, because the mean of its divisors is an integer number (35736904).

Almost surely, 2^321632052 is an apocalyptic number.

It is an amenable number.

321632052 is an abundant number, since it is smaller than the sum of its proper divisors (536053644).

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

321632052 is a wasteful number, since it uses less digits than its factorization.

321632052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828967 (or 3828965 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 321632052 is about 17934.1030442005. The cubic root of 321632052 is about 685.1512280880.

Adding to 321632052 its reverse (250236123), we get a palindrome (571868175).

The spelling of 321632052 in words is "three hundred twenty-one million, six hundred thirty-two thousand, fifty-two".