1521332 has 6 divisors (see below), whose sum is σ = 2662338. Its totient is φ = 760664.

The previous prime is 1521323. The next prime is 1521337. The reversal of 1521332 is 2331251.

It can be written as a sum of positive squares in only one way, i.e., 839056 + 682276 = 916^2 + 826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1521332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1521337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190163 + ... + 190170.

It is an arithmetic number, because the mean of its divisors is an integer number (443723).

2^1521332 is an apocalyptic number.

It is an amenable number.

1521332 is a deficient number, since it is larger than the sum of its proper divisors (1141006).

1521332 is a wasteful number, since it uses less digits than its factorization.

1521332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380337 (or 380335 counting only the distinct ones).

The product of its digits is 180, while the sum is 17.

The square root of 1521332 is about 1233.4228796321. The cubic root of 1521332 is about 115.0115174350.

Adding to 1521332 its reverse (2331251), we get a palindrome (3852583).

The spelling of 1521332 in words is "one million, five hundred twenty-one thousand, three hundred thirty-two".