541511923 has 2 divisors, whose sum is σ = 541511924. Its totient is φ = 541511922.

The previous prime is 541511911. The next prime is 541511939. The reversal of 541511923 is 329115145.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 541511923 - 2¹³ = 541503731 is a prime.

It is not a weakly prime, because it can be changed into another prime (541511903) 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, 270755961 + 270755962.

It is an arithmetic number, because the mean of its divisors is an integer number (270755962).

Almost surely, 2^541511923 is an apocalyptic number.

541511923 is a deficient number, since it is larger than the sum of its proper divisors (1).

541511923 is an equidigital number, since it uses as much as digits as its factorization.

541511923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 31.

The square root of 541511923 is about 23270.4087415756. The cubic root of 541511923 is about 815.0845750112.

The spelling of 541511923 in words is "five hundred forty-one million, five hundred eleven thousand, nine hundred twenty-three".