541530491 has 2 divisors, whose sum is σ = 541530492. Its totient is φ = 541530490.

The previous prime is 541530467. The next prime is 541530527. The reversal of 541530491 is 194035145.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-541530491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (541530391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270765245 + 270765246.

It is an arithmetic number, because the mean of its divisors is an integer number (270765246).

Almost surely, 2^541530491 is an apocalyptic number.

541530491 is a deficient number, since it is larger than the sum of its proper divisors (1).

541530491 is an equidigital number, since it uses as much as digits as its factorization.

541530491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 541530491 is about 23270.8076997770. The cubic root of 541530491 is about 815.0938910987.

The spelling of 541530491 in words is "five hundred forty-one million, five hundred thirty thousand, four hundred ninety-one".