1521461332 has 6 divisors (see below), whose sum is σ = 2662557338. Its totient is φ = 760730664.

The previous prime is 1521461327. The next prime is 1521461399. The reversal of 1521461332 is 2331641251.

It can be written as a sum of positive squares in only one way, i.e., 1520532036 + 929296 = 38994^2 + 964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1521461332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190182663 + ... + 190182670.

Almost surely, 2^1521461332 is an apocalyptic number.

It is an amenable number.

1521461332 is a deficient number, since it is larger than the sum of its proper divisors (1141096006).

1521461332 is a wasteful number, since it uses less digits than its factorization.

1521461332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380365337 (or 380365335 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 1521461332 is about 39005.9140644082. The cubic root of 1521461332 is about 1150.1477647556.

The spelling of 1521461332 in words is "one billion, five hundred twenty-one million, four hundred sixty-one thousand, three hundred thirty-two".