201401697 has 8 divisors (see below), whose sum is σ = 306897856. Its totient is φ = 115086672.

The previous prime is 201401623. The next prime is 201401701. The reversal of 201401697 is 796104102.

It is a happy number.

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

It is not a de Polignac number, because 201401697 - 2⁷ = 201401569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201401297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4795258 + ... + 4795299.

It is an arithmetic number, because the mean of its divisors is an integer number (38362232).

Almost surely, 2^201401697 is an apocalyptic number.

It is an amenable number.

201401697 is a deficient number, since it is larger than the sum of its proper divisors (105496159).

201401697 is an equidigital number, since it uses as much as digits as its factorization.

201401697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9590567.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 201401697 is about 14191.6065686729. The cubic root of 201401697 is about 586.1665639885.

Adding to 201401697 its reverse (796104102), we get a palindrome (997505799).

The spelling of 201401697 in words is "two hundred one million, four hundred one thousand, six hundred ninety-seven".