498751 has 4 divisors (see below), whose sum is σ = 544104. Its totient is φ = 453400.

The previous prime is 498749. The next prime is 498761. The reversal of 498751 is 157894.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 498751 - 2¹ = 498749 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (498761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22660 + ... + 22681.

It is an arithmetic number, because the mean of its divisors is an integer number (136026).

498751 is a Friedman number, since it can be written as 798*5^4+1, using all its digits and the basic arithmetic operations.

2⁴⁹⁸⁷⁵¹ is an apocalyptic number.

498751 is a deficient number, since it is larger than the sum of its proper divisors (45353).

498751 is a wasteful number, since it uses less digits than its factorization.

498751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45352.

The product of its digits is 10080, while the sum is 34.

The square root of 498751 is about 706.2230525832. The cubic root of 498751 is about 79.3039086948.

The spelling of 498751 in words is "four hundred ninety-eight thousand, seven hundred fifty-one".