2154903241 has 2 divisors, whose sum is σ = 2154903242. Its totient is φ = 2154903240.

The previous prime is 2154903229. The next prime is 2154903251. The reversal of 2154903241 is 1423094512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1712221641 + 442681600 = 41379^2 + 21040^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154903241 - 2¹⁹ = 2154378953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2154903251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077451620 + 1077451621.

It is an arithmetic number, because the mean of its divisors is an integer number (1077451621).

Almost surely, 2^2154903241 is an apocalyptic number.

It is an amenable number.

2154903241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154903241 is an equidigital number, since it uses as much as digits as its factorization.

2154903241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2154903241 is about 46420.9353740314. The cubic root of 2154903241 is about 1291.6432878701.

Adding to 2154903241 its reverse (1423094512), we get a palindrome (3577997753).

The spelling of 2154903241 in words is "two billion, one hundred fifty-four million, nine hundred three thousand, two hundred forty-one".