498529081 has 4 divisors (see below), whose sum is σ = 498590964. Its totient is φ = 498467200.

The previous prime is 498529069. The next prime is 498529091. The reversal of 498529081 is 180925894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 110439081 + 388090000 = 10509^2 + 19700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498529081 is a prime.

It is a super-2 number, since 2×498529081² = 497062489205409122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (498529021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16660 + ... + 35701.

It is an arithmetic number, because the mean of its divisors is an integer number (124647741).

Almost surely, 2^498529081 is an apocalyptic number.

It is an amenable number.

498529081 is a deficient number, since it is larger than the sum of its proper divisors (61883).

498529081 is an equidigital number, since it uses as much as digits as its factorization.

498529081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61882.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 498529081 is about 22327.7648008035. The cubic root of 498529081 is about 792.9214487216.

The spelling of 498529081 in words is "four hundred ninety-eight million, five hundred twenty-nine thousand, eighty-one".