194523725 has 12 divisors (see below), whose sum is σ = 263137920. Its totient is φ = 141471600.

The previous prime is 194523709. The next prime is 194523733. The reversal of 194523725 is 527325491.

It is not a de Polignac number, because 194523725 - 2⁴ = 194523709 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 353405 + ... + 353954.

It is an arithmetic number, because the mean of its divisors is an integer number (21928160).

Almost surely, 2^194523725 is an apocalyptic number.

It is an amenable number.

194523725 is a deficient number, since it is larger than the sum of its proper divisors (68614195).

194523725 is a wasteful number, since it uses less digits than its factorization.

194523725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707380 (or 707375 counting only the distinct ones).

The product of its digits is 75600, while the sum is 38.

The square root of 194523725 is about 13947.1762375041. The cubic root of 194523725 is about 579.4165009700.

The spelling of 194523725 in words is "one hundred ninety-four million, five hundred twenty-three thousand, seven hundred twenty-five".