1632488533 has 4 divisors (see below), whose sum is σ = 1758064588. Its totient is φ = 1506912480.

The previous prime is 1632488491. The next prime is 1632488537. The reversal of 1632488533 is 3358842361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3358842361 = 7 ⋅479834623.

It can be written as a sum of positive squares in 2 ways, for example, as 1065239044 + 567249489 = 32638^2 + 23817^2 .

It is a cyclic number.

It is not a de Polignac number, because 1632488533 - 2²⁵ = 1598934101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1632488533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1632488537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62788008 + ... + 62788033.

It is an arithmetic number, because the mean of its divisors is an integer number (439516147).

Almost surely, 2^1632488533 is an apocalyptic number.

1632488533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1632488533 is a deficient number, since it is larger than the sum of its proper divisors (125576055).

1632488533 is a wasteful number, since it uses less digits than its factorization.

1632488533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125576054.

The product of its digits is 414720, while the sum is 43.

The square root of 1632488533 is about 40404.0657978872. The cubic root of 1632488533 is about 1177.4705303786.

The spelling of 1632488533 in words is "one billion, six hundred thirty-two million, four hundred eighty-eight thousand, five hundred thirty-three".