194252285 has 16 divisors (see below), whose sum is σ = 252559296. Its totient is φ = 142856448.

The previous prime is 194252263. The next prime is 194252291. The reversal of 194252285 is 582252491.

It is a cyclic number.

It is not a de Polignac number, because 194252285 - 2⁶ = 194252221 is a prime.

It is a super-3 number, since 3×194252285³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22919 + ... + 30228.

It is an arithmetic number, because the mean of its divisors is an integer number (15784956).

Almost surely, 2^194252285 is an apocalyptic number.

It is an amenable number.

194252285 is a deficient number, since it is larger than the sum of its proper divisors (58307011).

194252285 is a wasteful number, since it uses less digits than its factorization.

194252285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53212.

The product of its digits is 57600, while the sum is 38.

The square root of 194252285 is about 13937.4418384437. The cubic root of 194252285 is about 579.1468680038.

The spelling of 194252285 in words is "one hundred ninety-four million, two hundred fifty-two thousand, two hundred eighty-five".