541521371 has 4 divisors (see below), whose sum is σ = 544843752. Its totient is φ = 538198992.

The previous prime is 541521353. The next prime is 541521377. The reversal of 541521371 is 173125145.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 541521371 - 2¹⁰ = 541520347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (541521377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1660946 + ... + 1661271.

It is an arithmetic number, because the mean of its divisors is an integer number (136210938).

Almost surely, 2^541521371 is an apocalyptic number.

541521371 is a deficient number, since it is larger than the sum of its proper divisors (3322381).

541521371 is a wasteful number, since it uses less digits than its factorization.

541521371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3322380.

The product of its digits is 4200, while the sum is 29.

The square root of 541521371 is about 23270.6117452894. The cubic root of 541521371 is about 815.0893153650.

The spelling of 541521371 in words is "five hundred forty-one million, five hundred twenty-one thousand, three hundred seventy-one".