194927485 has 4 divisors (see below), whose sum is σ = 233912988. Its totient is φ = 155941984.

The previous prime is 194927483. The next prime is 194927503. The reversal of 194927485 is 584729491.

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 57123364 + 137804121 = 7558^2 + 11739^2 .

It is a cyclic number.

It is not a de Polignac number, because 194927485 - 2¹ = 194927483 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 (194927483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19492744 + ... + 19492753.

It is an arithmetic number, because the mean of its divisors is an integer number (58478247).

Almost surely, 2^194927485 is an apocalyptic number.

It is an amenable number.

194927485 is a deficient number, since it is larger than the sum of its proper divisors (38985503).

194927485 is an equidigital number, since it uses as much as digits as its factorization.

194927485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38985502.

The product of its digits is 725760, while the sum is 49.

The square root of 194927485 is about 13961.6433488325. The cubic root of 194927485 is about 579.8171093984.

The spelling of 194927485 in words is "one hundred ninety-four million, nine hundred twenty-seven thousand, four hundred eighty-five".