496450021 has 2 divisors, whose sum is σ = 496450022. Its totient is φ = 496450020.

The previous prime is 496449937. The next prime is 496450033. The reversal of 496450021 is 120054694.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494573121 + 1876900 = 22239^2 + 1370^2 .

It is a cyclic number.

It is not a de Polignac number, because 496450021 - 2⁷ = 496449893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (496450061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248225010 + 248225011.

It is an arithmetic number, because the mean of its divisors is an integer number (248225011).

Almost surely, 2^496450021 is an apocalyptic number.

It is an amenable number.

496450021 is a deficient number, since it is larger than the sum of its proper divisors (1).

496450021 is an equidigital number, since it uses as much as digits as its factorization.

496450021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 496450021 is about 22281.1584303869. The cubic root of 496450021 is about 791.8176493469.

The spelling of 496450021 in words is "four hundred ninety-six million, four hundred fifty thousand, twenty-one".