201473161 has 4 divisors (see below), whose sum is σ = 205759872. Its totient is φ = 197186452.

The previous prime is 201473149. The next prime is 201473183. The reversal of 201473161 is 161374102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201473161 - 2¹¹ = 201471113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201473191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143285 + ... + 2143378.

It is an arithmetic number, because the mean of its divisors is an integer number (51439968).

Almost surely, 2^201473161 is an apocalyptic number.

It is an amenable number.

201473161 is a deficient number, since it is larger than the sum of its proper divisors (4286711).

201473161 is an equidigital number, since it uses as much as digits as its factorization.

201473161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4286710.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 201473161 is about 14194.1241716423. The cubic root of 201473161 is about 586.2358862341.

The spelling of 201473161 in words is "two hundred one million, four hundred seventy-three thousand, one hundred sixty-one".