541605197 has 4 divisors (see below), whose sum is σ = 618977376. Its totient is φ = 464233020.

The previous prime is 541605187. The next prime is 541605263. The reversal of 541605197 is 791506145.

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 541605197 - 2²⁴ = 524827981 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 541605197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (541605107) 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, 38686079 + ... + 38686092.

It is an arithmetic number, because the mean of its divisors is an integer number (154744344).

Almost surely, 2^541605197 is an apocalyptic number.

It is an amenable number.

541605197 is a deficient number, since it is larger than the sum of its proper divisors (77372179).

541605197 is an equidigital number, since it uses as much as digits as its factorization.

541605197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77372178.

The product of its (nonzero) digits is 37800, while the sum is 38.

The square root of 541605197 is about 23272.4127885357. The cubic root of 541605197 is about 815.1313710470.

The spelling of 541605197 in words is "five hundred forty-one million, six hundred five thousand, one hundred ninety-seven".