498069521 has 2 divisors, whose sum is σ = 498069522. Its totient is φ = 498069520.

The previous prime is 498069497. The next prime is 498069527. The reversal of 498069521 is 125960894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480091921 + 17977600 = 21911^2 + 4240^2 .

It is a cyclic number.

It is not a de Polignac number, because 498069521 - 2¹⁰ = 498068497 is a prime.

It is not a weakly prime, because it can be changed into another prime (498069527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249034760 + 249034761.

It is an arithmetic number, because the mean of its divisors is an integer number (249034761).

Almost surely, 2^498069521 is an apocalyptic number.

It is an amenable number.

498069521 is a deficient number, since it is larger than the sum of its proper divisors (1).

498069521 is an equidigital number, since it uses as much as digits as its factorization.

498069521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 44.

The square root of 498069521 is about 22317.4712053136. The cubic root of 498069521 is about 792.6777270595.

The spelling of 498069521 in words is "four hundred ninety-eight million, sixty-nine thousand, five hundred twenty-one".