492617161 has 4 divisors (see below), whose sum is σ = 518544400. Its totient is φ = 466689924.

The previous prime is 492617093. The next prime is 492617179. The reversal of 492617161 is 161716294.

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 492617161 - 2¹⁹ = 492092873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 492617161.

It is not an unprimeable number, because it can be changed into a prime (492617261) 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, 12963591 + ... + 12963628.

It is an arithmetic number, because the mean of its divisors is an integer number (129636100).

Almost surely, 2^492617161 is an apocalyptic number.

It is an amenable number.

492617161 is a deficient number, since it is larger than the sum of its proper divisors (25927239).

492617161 is a wasteful number, since it uses less digits than its factorization.

492617161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25927238.

The product of its digits is 18144, while the sum is 37.

The square root of 492617161 is about 22194.9805361483. The cubic root of 492617161 is about 789.7746304736.

The spelling of 492617161 in words is "four hundred ninety-two million, six hundred seventeen thousand, one hundred sixty-one".