201693285 has 24 divisors (see below), whose sum is σ = 360881664. Its totient is φ = 104099040.

The previous prime is 201693277. The next prime is 201693293. The reversal of 201693285 is 582396102.

It is an interprime number because it is at equal distance from previous prime (201693277) and next prime (201693293).

It is not a de Polignac number, because 201693285 - 2³ = 201693277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70897 + ... + 73686.

It is an arithmetic number, because the mean of its divisors is an integer number (15036736).

Almost surely, 2^201693285 is an apocalyptic number.

It is an amenable number.

201693285 is a deficient number, since it is larger than the sum of its proper divisors (159188379).

201693285 is a wasteful number, since it uses less digits than its factorization.

201693285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144625 (or 144622 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 201693285 is about 14201.8761084583. The cubic root of 201693285 is about 586.4493102277.

The spelling of 201693285 in words is "two hundred one million, six hundred ninety-three thousand, two hundred eighty-five".