541145947 has 2 divisors, whose sum is σ = 541145948. Its totient is φ = 541145946.

The previous prime is 541145933. The next prime is 541145977. The reversal of 541145947 is 749541145.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 541145947 - 2¹⁹ = 540621659 is a prime.

It is not a weakly prime, because it can be changed into another prime (541145977) 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, 270572973 + 270572974.

It is an arithmetic number, because the mean of its divisors is an integer number (270572974).

Almost surely, 2^541145947 is an apocalyptic number.

541145947 is a deficient number, since it is larger than the sum of its proper divisors (1).

541145947 is an equidigital number, since it uses as much as digits as its factorization.

541145947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 40.

The square root of 541145947 is about 23262.5438634729. The cubic root of 541145947 is about 814.9009110841.

The spelling of 541145947 in words is "five hundred forty-one million, one hundred forty-five thousand, nine hundred forty-seven".