32531532 has 48 divisors (see below), whose sum is σ = 84841344. Its totient is φ = 9616000.

The previous prime is 32531507. The next prime is 32531537. The reversal of 32531532 is 23513523.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (32531537) 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 15 ways as a sum of consecutive naturals, for example, 2407 + ... + 8417.

It is an arithmetic number, because the mean of its divisors is an integer number (1767528).

Almost surely, 2^32531532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32531532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42420672).

32531532 is an abundant number, since it is smaller than the sum of its proper divisors (52309812).

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

32531532 is a wasteful number, since it uses less digits than its factorization.

32531532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6070 (or 6068 counting only the distinct ones).

The product of its digits is 2700, while the sum is 24.

The square root of 32531532 is about 5703.6419943752. The cubic root of 32531532 is about 319.2283883144.

Subtracting from 32531532 its reverse (23513523), we obtain a square (9018009 = 3003²).

The spelling of 32531532 in words is "thirty-two million, five hundred thirty-one thousand, five hundred thirty-two".