1533213356 has 12 divisors (see below), whose sum is σ = 2717087520. Its totient is φ = 756902640.

The previous prime is 1533213349. The next prime is 1533213359. The reversal of 1533213356 is 6533123351.

It is not an unprimeable number, because it can be changed into a prime (1533213359) 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, 2425655 + ... + 2426286.

It is an arithmetic number, because the mean of its divisors is an integer number (226423960).

Almost surely, 2^1533213356 is an apocalyptic number.

It is an amenable number.

1533213356 is a deficient number, since it is larger than the sum of its proper divisors (1183874164).

1533213356 is a wasteful number, since it uses less digits than its factorization.

1533213356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852024 (or 4852022 counting only the distinct ones).

The product of its digits is 24300, while the sum is 32.

The square root of 1533213356 is about 39156.2684126054. The cubic root of 1533213356 is about 1153.1014845379.

The spelling of 1533213356 in words is "one billion, five hundred thirty-three million, two hundred thirteen thousand, three hundred fifty-six".