496681 has 2 divisors, whose sum is σ = 496682. Its totient is φ = 496680.

The previous prime is 496669. The next prime is 496687. The reversal of 496681 is 186694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 416025 + 80656 = 645^2 + 284^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-496681 is a prime.

It is a super-2 number, since 2×496681² = 493384031522, which contains 22 as substring.

496681 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (496687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248340 + 248341.

It is an arithmetic number, because the mean of its divisors is an integer number (248341).

2⁴⁹⁶⁶⁸¹ is an apocalyptic number.

It is an amenable number.

496681 is a deficient number, since it is larger than the sum of its proper divisors (1).

496681 is an equidigital number, since it uses as much as digits as its factorization.

496681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 34.

The square root of 496681 is about 704.7559861399. The cubic root of 496681 is about 79.1940431020.

The spelling of 496681 in words is "four hundred ninety-six thousand, six hundred eighty-one".