541521093 has 4 divisors (see below), whose sum is σ = 722028128. Its totient is φ = 361014060.

The previous prime is 541521083. The next prime is 541521107. The reversal of 541521093 is 390125145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 541521093 - 2¹⁷ = 541390021 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 541521093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541521053) 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 in 3 ways as a sum of consecutive naturals, for example, 90253513 + ... + 90253518.

It is an arithmetic number, because the mean of its divisors is an integer number (180507032).

Almost surely, 2^541521093 is an apocalyptic number.

It is an amenable number.

541521093 is a deficient number, since it is larger than the sum of its proper divisors (180507035).

541521093 is a wasteful number, since it uses less digits than its factorization.

541521093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180507034.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 541521093 is about 23270.6057720894. The cubic root of 541521093 is about 815.0891758846.

The spelling of 541521093 in words is "five hundred forty-one million, five hundred twenty-one thousand, ninety-three".