541440591 has 4 divisors (see below), whose sum is σ = 721920792. Its totient is φ = 360960392.

The previous prime is 541440509. The next prime is 541440607. The reversal of 541440591 is 195044145.

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 541440591 - 2¹⁰ = 541439567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541440491) 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, 90240096 + ... + 90240101.

It is an arithmetic number, because the mean of its divisors is an integer number (180480198).

Almost surely, 2^541440591 is an apocalyptic number.

541440591 is a deficient number, since it is larger than the sum of its proper divisors (180480201).

541440591 is a wasteful number, since it uses less digits than its factorization.

541440591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180480200.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 541440591 is about 23268.8760149690. The cubic root of 541440591 is about 815.0487837611.

The spelling of 541440591 in words is "five hundred forty-one million, four hundred forty thousand, five hundred ninety-one".