541051009 has 2 divisors, whose sum is σ = 541051010. Its totient is φ = 541051008.

The previous prime is 541050997. The next prime is 541051019. The reversal of 541051009 is 900150145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 541027600 + 23409 = 23260^2 + 153^2 .

It is a cyclic number.

It is not a de Polignac number, because 541051009 - 2¹⁵ = 541018241 is a prime.

It is not a weakly prime, because it can be changed into another prime (541051019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270525504 + 270525505.

It is an arithmetic number, because the mean of its divisors is an integer number (270525505).

Almost surely, 2^541051009 is an apocalyptic number.

It is an amenable number.

541051009 is a deficient number, since it is larger than the sum of its proper divisors (1).

541051009 is an equidigital number, since it uses as much as digits as its factorization.

541051009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 541051009 is about 23260.5031974805. The cubic root of 541051009 is about 814.8532532154.

The spelling of 541051009 in words is "five hundred forty-one million, fifty-one thousand, nine".