498521347 has 2 divisors, whose sum is σ = 498521348. Its totient is φ = 498521346.

The previous prime is 498521329. The next prime is 498521371. The reversal of 498521347 is 743125894.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 498521347 - 2²³ = 490132739 is a prime.

It is not a weakly prime, because it can be changed into another prime (498521327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249260673 + 249260674.

It is an arithmetic number, because the mean of its divisors is an integer number (249260674).

Almost surely, 2^498521347 is an apocalyptic number.

498521347 is a deficient number, since it is larger than the sum of its proper divisors (1).

498521347 is an equidigital number, since it uses as much as digits as its factorization.

498521347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 43.

The square root of 498521347 is about 22327.5916076947. The cubic root of 498521347 is about 792.9173483348.

The spelling of 498521347 in words is "four hundred ninety-eight million, five hundred twenty-one thousand, three hundred forty-seven".