541135421 has 4 divisors (see below), whose sum is σ = 564663072. Its totient is φ = 517607772.

The previous prime is 541135379. The next prime is 541135423. The reversal of 541135421 is 124531145.

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 a cyclic number.

It is not a de Polignac number, because 541135421 - 2¹⁰ = 541134397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541135423) 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, 11763791 + ... + 11763836.

It is an arithmetic number, because the mean of its divisors is an integer number (141165768).

Almost surely, 2^541135421 is an apocalyptic number.

It is an amenable number.

541135421 is a deficient number, since it is larger than the sum of its proper divisors (23527651).

541135421 is a wasteful number, since it uses less digits than its factorization.

541135421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23527650.

The product of its digits is 2400, while the sum is 26.

The square root of 541135421 is about 23262.3176188444. The cubic root of 541135421 is about 814.8956274185.

Adding to 541135421 its reverse (124531145), we get a palindrome (665666566).

The spelling of 541135421 in words is "five hundred forty-one million, one hundred thirty-five thousand, four hundred twenty-one".