194342053 has 4 divisors (see below), whose sum is σ = 195415948. Its totient is φ = 193268160.

The previous prime is 194341999. The next prime is 194342059. The reversal of 194342053 is 350243491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7144929 + 187197124 = 2673^2 + 13682^2 .

It is a cyclic number.

It is not a de Polignac number, because 194342053 - 2⁹ = 194341541 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 (194342059) 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, 536676 + ... + 537037.

It is an arithmetic number, because the mean of its divisors is an integer number (48853987).

Almost surely, 2^194342053 is an apocalyptic number.

It is an amenable number.

194342053 is a deficient number, since it is larger than the sum of its proper divisors (1073895).

194342053 is a wasteful number, since it uses less digits than its factorization.

194342053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073894.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 194342053 is about 13940.6618565978. The cubic root of 194342053 is about 579.2360661819.

The spelling of 194342053 in words is "one hundred ninety-four million, three hundred forty-two thousand, fifty-three".