498257 has 2 divisors, whose sum is σ = 498258. Its totient is φ = 498256.

The previous prime is 498227. The next prime is 498259. The reversal of 498257 is 752894.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 414736 + 83521 = 644^2 + 289^2 .

It is a cyclic number.

It is not a de Polignac number, because 498257 - 2¹⁶ = 432721 is a prime.

Together with 498259, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (498259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249128 + 249129.

It is an arithmetic number, because the mean of its divisors is an integer number (249129).

2⁴⁹⁸²⁵⁷ is an apocalyptic number.

It is an amenable number.

498257 is a deficient number, since it is larger than the sum of its proper divisors (1).

498257 is an equidigital number, since it uses as much as digits as its factorization.

498257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The square root of 498257 is about 705.8732180781. The cubic root of 498257 is about 79.2777172203.

The spelling of 498257 in words is "four hundred ninety-eight thousand, two hundred fifty-seven".