389154541 has 2 divisors, whose sum is σ = 389154542. Its totient is φ = 389154540.

The previous prime is 389154481. The next prime is 389154569. The reversal of 389154541 is 145451983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347822500 + 41332041 = 18650^2 + 6429^2 .

It is a cyclic number.

It is not a de Polignac number, because 389154541 - 2¹¹ = 389152493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389154494 and 389154503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (389154341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194577270 + 194577271.

It is an arithmetic number, because the mean of its divisors is an integer number (194577271).

Almost surely, 2^389154541 is an apocalyptic number.

It is an amenable number.

389154541 is a deficient number, since it is larger than the sum of its proper divisors (1).

389154541 is an equidigital number, since it uses as much as digits as its factorization.

389154541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 389154541 is about 19727.0003041517. Note that the first 3 decimals coincide. The cubic root of 389154541 is about 730.0860228895.

The spelling of 389154541 in words is "three hundred eighty-nine million, one hundred fifty-four thousand, five hundred forty-one".