498388529 has 2 divisors, whose sum is σ = 498388530. Its totient is φ = 498388528.

The previous prime is 498388489. The next prime is 498388543. The reversal of 498388529 is 925883894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386515600 + 111872929 = 19660^2 + 10577^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498388529 is a prime.

It is a super-2 number, since 2×498388529² = 496782251677567682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (498388589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249194264 + 249194265.

It is an arithmetic number, because the mean of its divisors is an integer number (249194265).

Almost surely, 2^498388529 is an apocalyptic number.

It is an amenable number.

498388529 is a deficient number, since it is larger than the sum of its proper divisors (1).

498388529 is an equidigital number, since it uses as much as digits as its factorization.

498388529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4976640, while the sum is 56.

The square root of 498388529 is about 22324.6171075788. The cubic root of 498388529 is about 792.8469247036.

The spelling of 498388529 in words is "four hundred ninety-eight million, three hundred eighty-eight thousand, five hundred twenty-nine".