2001828545 has 8 divisors (see below), whose sum is σ = 2410744680. Its totient is φ = 1595762560.

The previous prime is 2001828533. The next prime is 2001828551. The reversal of 2001828545 is 5458281002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35438209 + 1966390336 = 5953^2 + 44344^2 .

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

It is not a de Polignac number, because 2001828545 - 2⁶ = 2001828481 is a prime.

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, 710990 + ... + 713799.

It is an arithmetic number, because the mean of its divisors is an integer number (301343085).

Almost surely, 2^2001828545 is an apocalyptic number.

It is an amenable number.

2001828545 is a deficient number, since it is larger than the sum of its proper divisors (408916135).

2001828545 is a wasteful number, since it uses less digits than its factorization.

2001828545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425075.

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 2001828545 is about 44741.7986339396. The cubic root of 2001828545 is about 1260.3049033258.

The spelling of 2001828545 in words is "two billion, one million, eight hundred twenty-eight thousand, five hundred forty-five".