1533253470 has 64 divisors (see below), whose sum is σ = 4223992320. Its totient is φ = 348916608.

The previous prime is 1533253453. The next prime is 1533253481. The reversal of 1533253470 is 743523351.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32149 + ... + 64031.

It is an arithmetic number, because the mean of its divisors is an integer number (65999880).

Almost surely, 2^1533253470 is an apocalyptic number.

1533253470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1533253470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2111996160).

1533253470 is an abundant number, since it is smaller than the sum of its proper divisors (2690738850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1533253470 is a wasteful number, since it uses less digits than its factorization.

1533253470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32129.

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 1533253470 is about 39156.7806388625. The cubic root of 1533253470 is about 1153.1115407834. Note that the first 3 decimals are identical.

The spelling of 1533253470 in words is "one billion, five hundred thirty-three million, two hundred fifty-three thousand, four hundred seventy".