1528561132 has 12 divisors (see below), whose sum is σ = 3057122320. Its totient is φ = 655097616.

The previous prime is 1528561127. The next prime is 1528561157. The reversal of 1528561132 is 2311658251.

1528561132 is an admirable number.

It is a super-2 number, since 2×1528561132² = 4672998268522242848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27295707 + ... + 27295762.

Almost surely, 2^1528561132 is an apocalyptic number.

It is an amenable number.

1528561132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1528561132 is a wasteful number, since it uses less digits than its factorization.

1528561132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54591480 (or 54591478 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 1528561132 is about 39096.8174152322. The cubic root of 1528561132 is about 1151.9340189753.

The spelling of 1528561132 in words is "one billion, five hundred twenty-eight million, five hundred sixty-one thousand, one hundred thirty-two".