1533428873 has 2 divisors, whose sum is σ = 1533428874. Its totient is φ = 1533428872.

The previous prime is 1533428867. The next prime is 1533428887. The reversal of 1533428873 is 3788243351.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1373962489 + 159466384 = 37067^2 + 12628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1533428873 - 2¹⁰ = 1533427849 is a prime.

It is not a weakly prime, because it can be changed into another prime (1533428863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 766714436 + 766714437.

It is an arithmetic number, because the mean of its divisors is an integer number (766714437).

Almost surely, 2^1533428873 is an apocalyptic number.

It is an amenable number.

1533428873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1533428873 is an equidigital number, since it uses as much as digits as its factorization.

1533428873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 44.

The square root of 1533428873 is about 39159.0203273780. The cubic root of 1533428873 is about 1153.1555107934.

The spelling of 1533428873 in words is "one billion, five hundred thirty-three million, four hundred twenty-eight thousand, eight hundred seventy-three".