498542457 has 32 divisors (see below), whose sum is σ = 794787840. Its totient is φ = 271782720.

The previous prime is 498542423. The next prime is 498542483. The reversal of 498542457 is 754245894.

It is not a de Polignac number, because 498542457 - 2⁸ = 498542201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (498542257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 221544 + ... + 223782.

It is an arithmetic number, because the mean of its divisors is an integer number (24837120).

Almost surely, 2^498542457 is an apocalyptic number.

It is an amenable number.

498542457 is a deficient number, since it is larger than the sum of its proper divisors (296245383).

498542457 is a wasteful number, since it uses less digits than its factorization.

498542457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733.

The product of its digits is 1612800, while the sum is 48.

The square root of 498542457 is about 22328.0643361667. The cubic root of 498542457 is about 792.9285402654.

The spelling of 498542457 in words is "four hundred ninety-eight million, five hundred forty-two thousand, four hundred fifty-seven".