498143081 has 2 divisors, whose sum is σ = 498143082. Its totient is φ = 498143080.

The previous prime is 498143033. The next prime is 498143143. The reversal of 498143081 is 180341894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 496888681 + 1254400 = 22291^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 498143081 - 2¹⁴ = 498126697 is a prime.

It is a super-2 number, since 2×498143081² = 496293058296345122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (498143381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249071540 + 249071541.

It is an arithmetic number, because the mean of its divisors is an integer number (249071541).

Almost surely, 2^498143081 is an apocalyptic number.

It is an amenable number.

498143081 is a deficient number, since it is larger than the sum of its proper divisors (1).

498143081 is an equidigital number, since it uses as much as digits as its factorization.

498143081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 498143081 is about 22319.1191806487. The cubic root of 498143081 is about 792.7167487227.

The spelling of 498143081 in words is "four hundred ninety-eight million, one hundred forty-three thousand, eighty-one".