2001000542 has 8 divisors (see below), whose sum is σ = 3159474600. Its totient is φ = 947842344.

The previous prime is 2001000481. The next prime is 2001000553. The reversal of 2001000542 is 2450001002.

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

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 26328917 + ... + 26328992.

It is an arithmetic number, because the mean of its divisors is an integer number (394934325).

Almost surely, 2^2001000542 is an apocalyptic number.

2001000542 is a deficient number, since it is larger than the sum of its proper divisors (1158474058).

2001000542 is a wasteful number, since it uses less digits than its factorization.

2001000542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52657930.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2001000542 is about 44732.5445509195. The cubic root of 2001000542 is about 1260.1311155234.

Adding to 2001000542 its reverse (2450001002), we get a palindrome (4451001544).

The spelling of 2001000542 in words is "two billion, one million, five hundred forty-two", and thus it is an aban number.