541660013 has 2 divisors, whose sum is σ = 541660014. Its totient is φ = 541660012.

The previous prime is 541660003. The next prime is 541660039. The reversal of 541660013 is 310066145.

It is an a-pointer prime, because the next prime (541660039) can be obtained adding 541660013 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 495596644 + 46063369 = 22262^2 + 6787^2 .

It is a cyclic number.

It is not a de Polignac number, because 541660013 - 2⁴ = 541659997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541660003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270830006 + 270830007.

It is an arithmetic number, because the mean of its divisors is an integer number (270830007).

Almost surely, 2^541660013 is an apocalyptic number.

It is an amenable number.

541660013 is a deficient number, since it is larger than the sum of its proper divisors (1).

541660013 is an equidigital number, since it uses as much as digits as its factorization.

541660013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 541660013 is about 23273.5904621526. The cubic root of 541660013 is about 815.1588700039.

The spelling of 541660013 in words is "five hundred forty-one million, six hundred sixty thousand, thirteen".