201693297 has 8 divisors (see below), whose sum is σ = 289610944. Its totient is φ = 124118928.

The previous prime is 201693293. The next prime is 201693301. The reversal of 201693297 is 792396102.

It is an interprime number because it is at equal distance from previous prime (201693293) and next prime (201693301).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201693297 - 2² = 201693293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 5171623 = 201693297 / (2 + 0 + 1 + 6 + 9 + 3 + 2 + 9 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201693293) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2585773 + ... + 2585850.

It is an arithmetic number, because the mean of its divisors is an integer number (36201368).

Almost surely, 2^201693297 is an apocalyptic number.

It is an amenable number.

201693297 is a deficient number, since it is larger than the sum of its proper divisors (87917647).

201693297 is a wasteful number, since it uses less digits than its factorization.

201693297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5171639.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 201693297 is about 14201.8765309377. The cubic root of 201693297 is about 586.4493218582.

The spelling of 201693297 in words is "two hundred one million, six hundred ninety-three thousand, two hundred ninety-seven".