492577 has 4 divisors (see below), whose sum is σ = 497556. Its totient is φ = 487600.

The previous prime is 492563. The next prime is 492587. The reversal of 492577 is 775294.

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

It can be written as a sum of positive squares in 2 ways, for example, as 331776 + 160801 = 576^2 + 401^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492577 is a prime.

It is an Ulam number.

It is a Duffinian number.

492577 is a lucky number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (492587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2338 + ... + 2539.

It is an arithmetic number, because the mean of its divisors is an integer number (124389).

2⁴⁹²⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

492577 is a deficient number, since it is larger than the sum of its proper divisors (4979).

492577 is a wasteful number, since it uses less digits than its factorization.

492577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4978.

The product of its digits is 17640, while the sum is 34.

The square root of 492577 is about 701.8383004653. The cubic root of 492577 is about 78.9753167559.

The spelling of 492577 in words is "four hundred ninety-two thousand, five hundred seventy-seven".