1632542563 has 4 divisors (see below), whose sum is σ = 1637792208. Its totient is φ = 1627292920.

The previous prime is 1632542557. The next prime is 1632542591. The reversal of 1632542563 is 3652452361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3652452361 = 71 ⋅51442991.

It is a cyclic number.

It is not a de Polignac number, because 1632542563 - 2⁵ = 1632542531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1632542503) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2624356 + ... + 2624977.

It is an arithmetic number, because the mean of its divisors is an integer number (409448052).

Almost surely, 2^1632542563 is an apocalyptic number.

1632542563 is a deficient number, since it is larger than the sum of its proper divisors (5249645).

1632542563 is an equidigital number, since it uses as much as digits as its factorization.

1632542563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249644.

The product of its digits is 129600, while the sum is 37.

The square root of 1632542563 is about 40404.7344131848. The cubic root of 1632542563 is about 1177.4835203689.

The spelling of 1632542563 in words is "one billion, six hundred thirty-two million, five hundred forty-two thousand, five hundred sixty-three".