541131889 has 2 divisors, whose sum is σ = 541131890. Its totient is φ = 541131888.

The previous prime is 541131869. The next prime is 541131923. The reversal of 541131889 is 988131145.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 540097600 + 1034289 = 23240^2 + 1017^2 .

It is a cyclic number.

It is not a de Polignac number, because 541131889 - 2¹³ = 541123697 is a prime.

It is not a weakly prime, because it can be changed into another prime (541131839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270565944 + 270565945.

It is an arithmetic number, because the mean of its divisors is an integer number (270565945).

Almost surely, 2^541131889 is an apocalyptic number.

It is an amenable number.

541131889 is a deficient number, since it is larger than the sum of its proper divisors (1).

541131889 is an equidigital number, since it uses as much as digits as its factorization.

541131889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 40.

The square root of 541131889 is about 23262.2417019513. The cubic root of 541131889 is about 814.8938544688.

The spelling of 541131889 in words is "five hundred forty-one million, one hundred thirty-one thousand, eight hundred eighty-nine".