498897613 has 2 divisors, whose sum is σ = 498897614. Its totient is φ = 498897612.

The previous prime is 498897583. The next prime is 498897629. The reversal of 498897613 is 316798894.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 466430409 + 32467204 = 21597^2 + 5698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-498897613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498897673) 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, 249448806 + 249448807.

It is an arithmetic number, because the mean of its divisors is an integer number (249448807).

Almost surely, 2^498897613 is an apocalyptic number.

It is an amenable number.

498897613 is a deficient number, since it is larger than the sum of its proper divisors (1).

498897613 is an equidigital number, since it uses as much as digits as its factorization.

498897613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The square root of 498897613 is about 22336.0160503166. The cubic root of 498897613 is about 793.1167866748.

The spelling of 498897613 in words is "four hundred ninety-eight million, eight hundred ninety-seven thousand, six hundred thirteen".