194759053 has 2 divisors, whose sum is σ = 194759054. Its totient is φ = 194759052.

The previous prime is 194759051. The next prime is 194759087. The reversal of 194759053 is 350957491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174715524 + 20043529 = 13218^2 + 4477^2 .

It is a cyclic number.

It is not a de Polignac number, because 194759053 - 2¹ = 194759051 is a prime.

Together with 194759051, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194759051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97379526 + 97379527.

It is an arithmetic number, because the mean of its divisors is an integer number (97379527).

Almost surely, 2^194759053 is an apocalyptic number.

It is an amenable number.

194759053 is a deficient number, since it is larger than the sum of its proper divisors (1).

194759053 is an equidigital number, since it uses as much as digits as its factorization.

194759053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 194759053 is about 13955.6100905693. The cubic root of 194759053 is about 579.6500594186.

The spelling of 194759053 in words is "one hundred ninety-four million, seven hundred fifty-nine thousand, fifty-three".