497531540 has 48 divisors (see below), whose sum is σ = 1179118080. Its totient is φ = 174679680.

The previous prime is 497531513. The next prime is 497531557. The reversal of 497531540 is 45135794.

It is a super-3 number, since 3×497531540³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 497531494 and 497531503.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 32612 + ... + 45371.

It is an arithmetic number, because the mean of its divisors is an integer number (24564960).

Almost surely, 2^497531540 is an apocalyptic number.

It is an amenable number.

497531540 is an abundant number, since it is smaller than the sum of its proper divisors (681586540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

497531540 is a wasteful number, since it uses less digits than its factorization.

497531540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78032 (or 78030 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 497531540 is about 22305.4150376091. The cubic root of 497531540 is about 792.3922252907.

The spelling of 497531540 in words is "four hundred ninety-seven million, five hundred thirty-one thousand, five hundred forty".