2021004041 has 16 divisors (see below), whose sum is σ = 2339243520. Its totient is φ = 1710244800.

The previous prime is 2021003923. The next prime is 2021004061. The reversal of 2021004041 is 1404001202.

It is a cyclic number.

It is not a de Polignac number, because 2021004041 - 2²² = 2016809737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021004061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 255575 + ... + 263363.

It is an arithmetic number, because the mean of its divisors is an integer number (146202720).

Almost surely, 2^2021004041 is an apocalyptic number.

It is an amenable number.

2021004041 is a deficient number, since it is larger than the sum of its proper divisors (318239479).

2021004041 is a wasteful number, since it uses less digits than its factorization.

2021004041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8264.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2021004041 is about 44955.5785303671. The cubic root of 2021004041 is about 1264.3162716110.

Adding to 2021004041 its reverse (1404001202), we get a palindrome (3425005243).

The spelling of 2021004041 in words is "two billion, twenty-one million, four thousand, forty-one".