541306813 has 2 divisors, whose sum is σ = 541306814. Its totient is φ = 541306812.

The previous prime is 541306757. The next prime is 541306819. The reversal of 541306813 is 318603145.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 496977849 + 44328964 = 22293^2 + 6658^2 .

It is a cyclic number.

It is not a de Polignac number, because 541306813 - 2¹³ = 541298621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (541306819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270653406 + 270653407.

It is an arithmetic number, because the mean of its divisors is an integer number (270653407).

Almost surely, 2^541306813 is an apocalyptic number.

It is an amenable number.

541306813 is a deficient number, since it is larger than the sum of its proper divisors (1).

541306813 is an equidigital number, since it uses as much as digits as its factorization.

541306813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 541306813 is about 23266.0012249634. The cubic root of 541306813 is about 814.9816513866.

Adding to 541306813 its reverse (318603145), we get a palindrome (859909958).

The spelling of 541306813 in words is "five hundred forty-one million, three hundred six thousand, eight hundred thirteen".