194342541 has 4 divisors (see below), whose sum is σ = 259123392. Its totient is φ = 129561692.

The previous prime is 194342513. The next prime is 194342557. The reversal of 194342541 is 145243491.

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 194342541 - 2¹⁷ = 194211469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194342741) 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, 32390421 + ... + 32390426.

It is an arithmetic number, because the mean of its divisors is an integer number (64780848).

Almost surely, 2^194342541 is an apocalyptic number.

It is an amenable number.

194342541 is a deficient number, since it is larger than the sum of its proper divisors (64780851).

194342541 is an equidigital number, since it uses as much as digits as its factorization.

194342541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64780850.

The product of its digits is 17280, while the sum is 33.

The square root of 194342541 is about 13940.6793593426. The cubic root of 194342541 is about 579.2365510091.

The spelling of 194342541 in words is "one hundred ninety-four million, three hundred forty-two thousand, five hundred forty-one".