498513391 has 2 divisors, whose sum is σ = 498513392. Its totient is φ = 498513390.

The previous prime is 498513377. The next prime is 498513401. The reversal of 498513391 is 193315894.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498513391 - 2¹⁹ = 497989103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498513311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249256695 + 249256696.

It is an arithmetic number, because the mean of its divisors is an integer number (249256696).

Almost surely, 2^498513391 is an apocalyptic number.

498513391 is a deficient number, since it is larger than the sum of its proper divisors (1).

498513391 is an equidigital number, since it uses as much as digits as its factorization.

498513391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 43.

The square root of 498513391 is about 22327.4134417760. The cubic root of 498513391 is about 792.9131302045.

The spelling of 498513391 in words is "four hundred ninety-eight million, five hundred thirteen thousand, three hundred ninety-one".