132325721 has 12 divisors (see below), whose sum is σ = 145828116. Its totient is φ = 119982720.

The previous prime is 132325717. The next prime is 132325729. The reversal of 132325721 is 127523231.

It can be written as a sum of positive squares in 2 ways, for example, as 50965321 + 81360400 = 7139^2 + 9020^2 .

It is not a de Polignac number, because 132325721 - 2² = 132325717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132325729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54101 + ... + 56493.

It is an arithmetic number, because the mean of its divisors is an integer number (12152343).

Almost surely, 2^132325721 is an apocalyptic number.

132325721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

132325721 is a deficient number, since it is larger than the sum of its proper divisors (13502395).

132325721 is a wasteful number, since it uses less digits than its factorization.

132325721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 2861 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 132325721 is about 11503.2917462785. The cubic root of 132325721 is about 509.5827947719.

Adding to 132325721 its reverse (127523231), we get a palindrome (259848952).

The spelling of 132325721 in words is "one hundred thirty-two million, three hundred twenty-five thousand, seven hundred twenty-one".