498065021 has 2 divisors, whose sum is σ = 498065022. Its totient is φ = 498065020.

The previous prime is 498065017. The next prime is 498065033. The reversal of 498065021 is 120560894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433888900 + 64176121 = 20830^2 + 8011^2 .

It is a cyclic number.

It is not a de Polignac number, because 498065021 - 2² = 498065017 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 (498065041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249032510 + 249032511.

It is an arithmetic number, because the mean of its divisors is an integer number (249032511).

Almost surely, 2^498065021 is an apocalyptic number.

It is an amenable number.

498065021 is a deficient number, since it is larger than the sum of its proper divisors (1).

498065021 is an equidigital number, since it uses as much as digits as its factorization.

498065021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 498065021 is about 22317.3703872118. The cubic root of 498065021 is about 792.6753398020.

The spelling of 498065021 in words is "four hundred ninety-eight million, sixty-five thousand, twenty-one".