1533845225 has 12 divisors (see below), whose sum is σ = 2074874640. Its totient is φ = 1115523600.

The previous prime is 1533845207. The next prime is 1533845239. The reversal of 1533845225 is 5225483351.

It is not a de Polignac number, because 1533845225 - 2⁸ = 1533844969 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 2788535 + ... + 2789084.

It is an arithmetic number, because the mean of its divisors is an integer number (172906220).

Almost surely, 2^1533845225 is an apocalyptic number.

It is an amenable number.

1533845225 is a deficient number, since it is larger than the sum of its proper divisors (541029415).

1533845225 is a wasteful number, since it uses less digits than its factorization.

1533845225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5577640 (or 5577635 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 1533845225 is about 39164.3361363371. The cubic root of 1533845225 is about 1153.2598684555.

The spelling of 1533845225 in words is "one billion, five hundred thirty-three million, eight hundred forty-five thousand, two hundred twenty-five".