541191601 has 4 divisors (see below), whose sum is σ = 550364400. Its totient is φ = 532018804.

The previous prime is 541191569. The next prime is 541191613. The reversal of 541191601 is 106191145.

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, and also an emirpimes, since its reverse is a distinct semiprime: 106191145 = 5 ⋅21238229.

It is a cyclic number.

It is not a de Polignac number, because 541191601 - 2⁵ = 541191569 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 541191601.

It is not an unprimeable number, because it can be changed into a prime (541191631) 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, 4586311 + ... + 4586428.

It is an arithmetic number, because the mean of its divisors is an integer number (137591100).

Almost surely, 2^541191601 is an apocalyptic number.

It is an amenable number.

541191601 is a deficient number, since it is larger than the sum of its proper divisors (9172799).

541191601 is an equidigital number, since it uses as much as digits as its factorization.

541191601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9172798.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 541191601 is about 23263.5251198093. The cubic root of 541191601 is about 814.9238269230.

The spelling of 541191601 in words is "five hundred forty-one million, one hundred ninety-one thousand, six hundred one".