496952821 has 2 divisors, whose sum is σ = 496952822. Its totient is φ = 496952820.

The previous prime is 496952803. The next prime is 496952837. The reversal of 496952821 is 128259694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 492174225 + 4778596 = 22185^2 + 2186^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-496952821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (496952851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248476410 + 248476411.

It is an arithmetic number, because the mean of its divisors is an integer number (248476411).

Almost surely, 2^496952821 is an apocalyptic number.

It is an amenable number.

496952821 is a deficient number, since it is larger than the sum of its proper divisors (1).

496952821 is an equidigital number, since it uses as much as digits as its factorization.

496952821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 496952821 is about 22292.4386508071. The cubic root of 496952821 is about 792.0848743557.

The spelling of 496952821 in words is "four hundred ninety-six million, nine hundred fifty-two thousand, eight hundred twenty-one".