1563454332 has 48 divisors (see below), whose sum is σ = 4421894400. Its totient is φ = 473773680.

The previous prime is 1563454309. The next prime is 1563454357. The reversal of 1563454332 is 2334543651.

1563454332 is a `hidden beast` number, since 1 + 56 + 34 + 543 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 656832 + ... + 659207.

It is an arithmetic number, because the mean of its divisors is an integer number (92122800).

Almost surely, 2^1563454332 is an apocalyptic number.

1563454332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1563454332 is an abundant number, since it is smaller than the sum of its proper divisors (2858440068).

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

1563454332 is a wasteful number, since it uses less digits than its factorization.

1563454332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1316063 (or 1316055 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 1563454332 is about 39540.5403604958. The cubic root of 1563454332 is about 1160.6334065489.

Adding to 1563454332 its reverse (2334543651), we get a palindrome (3897997983).

The spelling of 1563454332 in words is "one billion, five hundred sixty-three million, four hundred fifty-four thousand, three hundred thirty-two".