201497163 has 24 divisors (see below), whose sum is σ = 316500480. Its totient is φ = 113677200.

The previous prime is 201497161. The next prime is 201497173. The reversal of 201497163 is 361794102.

It is not a de Polignac number, because 201497163 - 2¹ = 201497161 is a prime.

It is a super-2 number, since 2×201497163² = 81202213394097138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201497161) 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 23 ways as a sum of consecutive naturals, for example, 2938 + ... + 20288.

It is an arithmetic number, because the mean of its divisors is an integer number (13187520).

Almost surely, 2^201497163 is an apocalyptic number.

201497163 is a deficient number, since it is larger than the sum of its proper divisors (115003317).

201497163 is a wasteful number, since it uses less digits than its factorization.

201497163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17447 (or 17440 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 201497163 is about 14194.9696371637. The cubic root of 201497163 is about 586.2591652239.

The spelling of 201497163 in words is "two hundred one million, four hundred ninety-seven thousand, one hundred sixty-three".