2154044201 has 4 divisors (see below), whose sum is σ = 2154656400. Its totient is φ = 2153432004.

The previous prime is 2154044197. The next prime is 2154044203. The reversal of 2154044201 is 1024404512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2154044201 - 2² = 2154044197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154044203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300791 + ... + 307868.

It is an arithmetic number, because the mean of its divisors is an integer number (538664100).

Almost surely, 2^2154044201 is an apocalyptic number.

It is an amenable number.

2154044201 is a deficient number, since it is larger than the sum of its proper divisors (612199).

2154044201 is an equidigital number, since it uses as much as digits as its factorization.

2154044201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612198.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2154044201 is about 46411.6817299266. The cubic root of 2154044201 is about 1291.4716296252.

Adding to 2154044201 its reverse (1024404512), we get a palindrome (3178448713).

The spelling of 2154044201 in words is "two billion, one hundred fifty-four million, forty-four thousand, two hundred one".