2154554539 has 2 divisors, whose sum is σ = 2154554540. Its totient is φ = 2154554538.

The previous prime is 2154554497. The next prime is 2154554557. The reversal of 2154554539 is 9354554512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2154554539 - 2⁹ = 2154554027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2154554495 and 2154554504.

It is not a weakly prime, because it can be changed into another prime (2154554579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077277269 + 1077277270.

It is an arithmetic number, because the mean of its divisors is an integer number (1077277270).

Almost surely, 2^2154554539 is an apocalyptic number.

2154554539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154554539 is an equidigital number, since it uses as much as digits as its factorization.

2154554539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540000, while the sum is 43.

The square root of 2154554539 is about 46417.1793520459. The cubic root of 2154554539 is about 1291.5736137604.

The spelling of 2154554539 in words is "two billion, one hundred fifty-four million, five hundred fifty-four thousand, five hundred thirty-nine".