2001542654 has 16 divisors (see below), whose sum is σ = 3033982656. Its totient is φ = 990228000.

The previous prime is 2001542579. The next prime is 2001542663. The reversal of 2001542654 is 4562451002.

It is a Curzon number.

It is a congruent number.

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, 557144 + ... + 560724.

It is an arithmetic number, because the mean of its divisors is an integer number (189623916).

Almost surely, 2^2001542654 is an apocalyptic number.

2001542654 is a deficient number, since it is larger than the sum of its proper divisors (1032440002).

2001542654 is a wasteful number, since it uses less digits than its factorization.

2001542654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6451.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2001542654 is about 44738.6036214811. The cubic root of 2001542654 is about 1260.2449036846.

Adding to 2001542654 its reverse (4562451002), we get a palindrome (6563993656).

The spelling of 2001542654 in words is "two billion, one million, five hundred forty-two thousand, six hundred fifty-four".