1521332152 has 8 divisors (see below), whose sum is σ = 2852497800. Its totient is φ = 760666072.

The previous prime is 1521332129. The next prime is 1521332177. The reversal of 1521332152 is 2512331251.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1521332152² = 4628903033417902208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95083252 + ... + 95083267.

It is an arithmetic number, because the mean of its divisors is an integer number (356562225).

Almost surely, 2^1521332152 is an apocalyptic number.

It is an amenable number.

1521332152 is a deficient number, since it is larger than the sum of its proper divisors (1331165648).

1521332152 is a wasteful number, since it uses less digits than its factorization.

1521332152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190166525 (or 190166521 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 1521332152 is about 39004.2581265174. The cubic root of 1521332152 is about 1150.1152126536.

Subtracting 1521332152 from its reverse (2512331251), we obtain a palindrome (990999099).

The spelling of 1521332152 in words is "one billion, five hundred twenty-one million, three hundred thirty-two thousand, one hundred fifty-two".