1533487882 has 4 divisors (see below), whose sum is σ = 2300231826. Its totient is φ = 766743940.

The previous prime is 1533487877. The next prime is 1533487883. The reversal of 1533487882 is 2887843351.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2887843351 = 149 ⋅19381499.

It can be written as a sum of positive squares in only one way, i.e., 1131044161 + 402443721 = 33631^2 + 20061^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1533487883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 383371969 + ... + 383371972.

Almost surely, 2^1533487882 is an apocalyptic number.

1533487882 is a deficient number, since it is larger than the sum of its proper divisors (766743944).

1533487882 is an equidigital number, since it uses as much as digits as its factorization.

1533487882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766743943.

The product of its digits is 1290240, while the sum is 49.

The square root of 1533487882 is about 39159.7737736060. The cubic root of 1533487882 is about 1153.1703024111.

The spelling of 1533487882 in words is "one billion, five hundred thirty-three million, four hundred eighty-seven thousand, eight hundred eighty-two".