498154823 has 2 divisors, whose sum is σ = 498154824. Its totient is φ = 498154822.

The previous prime is 498154801. The next prime is 498154831. The reversal of 498154823 is 328451894.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 498154823 - 2¹² = 498150727 is a prime.

It is a super-2 number, since 2×498154823² = 496316455356322658, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (498154873) 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, 249077411 + 249077412.

It is an arithmetic number, because the mean of its divisors is an integer number (249077412).

Almost surely, 2^498154823 is an apocalyptic number.

498154823 is a deficient number, since it is larger than the sum of its proper divisors (1).

498154823 is an equidigital number, since it uses as much as digits as its factorization.

498154823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 44.

The square root of 498154823 is about 22319.3822271137. The cubic root of 498154823 is about 792.7229771921.

The spelling of 498154823 in words is "four hundred ninety-eight million, one hundred fifty-four thousand, eight hundred twenty-three".