2154313541 has 2 divisors, whose sum is σ = 2154313542. Its totient is φ = 2154313540.

The previous prime is 2154313531. The next prime is 2154313543. The reversal of 2154313541 is 1453134512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1949222500 + 205091041 = 44150^2 + 14321^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154313541 - 2⁶ = 2154313477 is a prime.

Together with 2154313543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2154313543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077156770 + 1077156771.

It is an arithmetic number, because the mean of its divisors is an integer number (1077156771).

Almost surely, 2^2154313541 is an apocalyptic number.

It is an amenable number.

2154313541 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154313541 is an equidigital number, since it uses as much as digits as its factorization.

2154313541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 29.

The square root of 2154313541 is about 46414.5832793961. The cubic root of 2154313541 is about 1291.5254555822.

The spelling of 2154313541 in words is "two billion, one hundred fifty-four million, three hundred thirteen thousand, five hundred forty-one".