2154005441 has 8 divisors (see below), whose sum is σ = 2514097920. Its totient is φ = 1807007328.

The previous prime is 2154005437. The next prime is 2154005449. The reversal of 2154005441 is 1445004512.

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

It is not a de Polignac number, because 2154005441 - 2² = 2154005437 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2154005441.

It is not an unprimeable number, because it can be changed into a prime (2154005449) 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 7 ways as a sum of consecutive naturals, for example, 3273236 + ... + 3273893.

It is an arithmetic number, because the mean of its divisors is an integer number (314262240).

Almost surely, 2^2154005441 is an apocalyptic number.

It is an amenable number.

2154005441 is a deficient number, since it is larger than the sum of its proper divisors (360092479).

2154005441 is an equidigital number, since it uses as much as digits as its factorization.

2154005441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6547183.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2154005441 is about 46411.2641607617. The cubic root of 2154005441 is about 1291.4638833062.

Adding to 2154005441 its reverse (1445004512), we get a palindrome (3599009953).

The spelling of 2154005441 in words is "two billion, one hundred fifty-four million, five thousand, four hundred forty-one".