1521632332 has 48 divisors (see below), whose sum is σ = 3022935552. Its totient is φ = 664114880.

The previous prime is 1521632327. The next prime is 1521632353. The reversal of 1521632332 is 2332361251.

It is a self number, because there is not a number n which added to its sum of digits gives 1521632332.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102663 + ... + 116545.

It is an arithmetic number, because the mean of its divisors is an integer number (62977824).

Almost surely, 2^1521632332 is an apocalyptic number.

It is an amenable number.

1521632332 is a deficient number, since it is larger than the sum of its proper divisors (1501303220).

1521632332 is a wasteful number, since it uses less digits than its factorization.

1521632332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13998 (or 13996 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 1521632332 is about 39008.1059781169. The cubic root of 1521632332 is about 1150.1908522566.

Adding to 1521632332 its reverse (2332361251), we get a palindrome (3853993583).

The spelling of 1521632332 in words is "one billion, five hundred twenty-one million, six hundred thirty-two thousand, three hundred thirty-two".