498181 has 2 divisors, whose sum is σ = 498182. Its totient is φ = 498180.

The previous prime is 498167. The next prime is 498209. The reversal of 498181 is 181894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 497025 + 1156 = 705^2 + 34^2 .

It is a cyclic number.

It is not a de Polignac number, because 498181 - 2⁷ = 498053 is a prime.

It is a super-2 number, since 2×498181² = 496368617522, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249090 + 249091.

It is an arithmetic number, because the mean of its divisors is an integer number (249091).

2⁴⁹⁸¹⁸¹ is an apocalyptic number.

It is an amenable number.

498181 is a deficient number, since it is larger than the sum of its proper divisors (1).

498181 is an equidigital number, since it uses as much as digits as its factorization.

498181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 31.

The square root of 498181 is about 705.8193819951. The cubic root of 498181 is about 79.2736862264.

The spelling of 498181 in words is "four hundred ninety-eight thousand, one hundred eighty-one".