2154514441 has 4 divisors (see below), whose sum is σ = 2204619472. Its totient is φ = 2104409412.

The previous prime is 2154514423. The next prime is 2154514469. The reversal of 2154514441 is 1444154512.

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 2154514441 - 2⁹ = 2154513929 is a prime.

It is a super-3 number, since 3×2154514441³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2154514421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25052451 + ... + 25052536.

It is an arithmetic number, because the mean of its divisors is an integer number (551154868).

Almost surely, 2^2154514441 is an apocalyptic number.

It is an amenable number.

2154514441 is a deficient number, since it is larger than the sum of its proper divisors (50105031).

2154514441 is an equidigital number, since it uses as much as digits as its factorization.

2154514441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50105030.

The product of its digits is 12800, while the sum is 31.

The square root of 2154514441 is about 46416.7474194390. The cubic root of 2154514441 is about 1291.5656013014.

Adding to 2154514441 its reverse (1444154512), we get a palindrome (3598668953).

The spelling of 2154514441 in words is "two billion, one hundred fifty-four million, five hundred fourteen thousand, four hundred forty-one".