541098491 has 4 divisors (see below), whose sum is σ = 572927832. Its totient is φ = 509269152.

The previous prime is 541098461. The next prime is 541098517. The reversal of 541098491 is 194890145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 194890145 = 5 ⋅38978029.

It is a cyclic number.

It is not a de Polignac number, because 541098491 - 2²² = 536904187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541098461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15914645 + ... + 15914678.

It is an arithmetic number, because the mean of its divisors is an integer number (143231958).

Almost surely, 2^541098491 is an apocalyptic number.

541098491 is a deficient number, since it is larger than the sum of its proper divisors (31829341).

541098491 is a wasteful number, since it uses less digits than its factorization.

541098491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31829340.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 541098491 is about 23261.5238322858. The cubic root of 541098491 is about 814.8770893724.

The spelling of 541098491 in words is "five hundred forty-one million, ninety-eight thousand, four hundred ninety-one".