2154401441 has 2 divisors, whose sum is σ = 2154401442. Its totient is φ = 2154401440.

The previous prime is 2154401411. The next prime is 2154401471. The reversal of 2154401441 is 1441044512.

It is a balanced prime because it is at equal distance from previous prime (2154401411) and next prime (2154401471).

It can be written as a sum of positive squares in only one way, i.e., 1085373025 + 1069028416 = 32945^2 + 32696^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154401441 - 2⁶ = 2154401377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2154401441.

It is not a weakly prime, because it can be changed into another prime (2154401411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077200720 + 1077200721.

It is an arithmetic number, because the mean of its divisors is an integer number (1077200721).

Almost surely, 2^2154401441 is an apocalyptic number.

It is an amenable number.

2154401441 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154401441 is an equidigital number, since it uses as much as digits as its factorization.

2154401441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 2154401441 is about 46415.5301704074. The cubic root of 2154401441 is about 1291.5430208904.

Adding to 2154401441 its reverse (1441044512), we get a palindrome (3595445953).

The spelling of 2154401441 in words is "two billion, one hundred fifty-four million, four hundred one thousand, four hundred forty-one".