492452851 has 4 divisors (see below), whose sum is σ = 537221304. Its totient is φ = 447684400.

The previous prime is 492452837. The next prime is 492452879. The reversal of 492452851 is 158254294.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492452851 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492452551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22384210 + ... + 22384231.

It is an arithmetic number, because the mean of its divisors is an integer number (134305326).

Almost surely, 2^492452851 is an apocalyptic number.

492452851 is a deficient number, since it is larger than the sum of its proper divisors (44768453).

492452851 is a wasteful number, since it uses less digits than its factorization.

492452851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44768452.

The product of its digits is 115200, while the sum is 40.

The square root of 492452851 is about 22191.2787148465. The cubic root of 492452851 is about 789.6868122446.

It can be divided in two parts, 4924 and 52851, that added together give a palindrome (57775).

The spelling of 492452851 in words is "four hundred ninety-two million, four hundred fifty-two thousand, eight hundred fifty-one".