1533525745 has 8 divisors (see below), whose sum is σ = 1840524840. Its totient is φ = 1226624640.

The previous prime is 1533525737. The next prime is 1533525769. The reversal of 1533525745 is 5475253351.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 394260736 + 1139265009 = 19856^2 + 33753^2 .

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

It is not a de Polignac number, because 1533525745 - 2³ = 1533525737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1533525698 and 1533525707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16035 + ... + 57655.

It is an arithmetic number, because the mean of its divisors is an integer number (230065605).

Almost surely, 2^1533525745 is an apocalyptic number.

It is an amenable number.

1533525745 is a deficient number, since it is larger than the sum of its proper divisors (306999095).

1533525745 is an equidigital number, since it uses as much as digits as its factorization.

1533525745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48995.

The product of its digits is 315000, while the sum is 40.

The square root of 1533525745 is about 39160.2572131491. The cubic root of 1533525745 is about 1153.1797932214.

The spelling of 1533525745 in words is "one billion, five hundred thirty-three million, five hundred twenty-five thousand, seven hundred forty-five".