492851 has 4 divisors (see below), whose sum is σ = 494304. Its totient is φ = 491400.

The previous prime is 492839. The next prime is 492853. The reversal of 492851 is 158294.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 158294 = 2 ⋅79147.

It is a cyclic number.

It is not a de Polignac number, because 492851 - 2¹⁴ = 476467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (492853) 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, 86 + ... + 996.

It is an arithmetic number, because the mean of its divisors is an integer number (123576).

2⁴⁹²⁸⁵¹ is an apocalyptic number.

492851 is a deficient number, since it is larger than the sum of its proper divisors (1453).

492851 is an equidigital number, since it uses as much as digits as its factorization.

492851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452.

The product of its digits is 2880, while the sum is 29.

The square root of 492851 is about 702.0334749853. The cubic root of 492851 is about 78.9899575976.

The spelling of 492851 in words is "four hundred ninety-two thousand, eight hundred fifty-one".