1533252155 has 8 divisors (see below), whose sum is σ = 1842640512. Its totient is φ = 1224776448.

The previous prime is 1533252143. The next prime is 1533252163. The reversal of 1533252155 is 5512523351.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1533252155 - 2¹⁶ = 1533186619 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 224459 + ... + 231188.

It is an arithmetic number, because the mean of its divisors is an integer number (230330064).

Almost surely, 2^1533252155 is an apocalyptic number.

1533252155 is a deficient number, since it is larger than the sum of its proper divisors (309388357).

1533252155 is an equidigital number, since it uses as much as digits as its factorization.

1533252155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456325.

The product of its digits is 22500, while the sum is 32.

The square root of 1533252155 is about 39156.7638473866. The cubic root of 1533252155 is about 1153.1112111267. Note that the first 3 decimals are identical.

The spelling of 1533252155 in words is "one billion, five hundred thirty-three million, two hundred fifty-two thousand, one hundred fifty-five".