498661453 has 2 divisors, whose sum is σ = 498661454. Its totient is φ = 498661452.

The previous prime is 498661447. The next prime is 498661477. The reversal of 498661453 is 354166894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 492041124 + 6620329 = 22182^2 + 2573^2 .

It is a cyclic number.

It is not a de Polignac number, because 498661453 - 2⁵ = 498661421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498661433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249330726 + 249330727.

It is an arithmetic number, because the mean of its divisors is an integer number (249330727).

Almost surely, 2^498661453 is an apocalyptic number.

It is an amenable number.

498661453 is a deficient number, since it is larger than the sum of its proper divisors (1).

498661453 is an equidigital number, since it uses as much as digits as its factorization.

498661453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 46.

The square root of 498661453 is about 22330.7288954033. The cubic root of 498661453 is about 792.9916227017.

The spelling of 498661453 in words is "four hundred ninety-eight million, six hundred sixty-one thousand, four hundred fifty-three".