497542500 has 480 divisors, whose sum is σ = 2008357120. Its totient is φ = 104976000.

The previous prime is 497542499. The next prime is 497542541. The reversal of 497542500 is 5245794.

497542500 is a `hidden beast` number, since 49 + 75 + 42 + 500 = 666.

It is a super-3 number, since 3×497542500³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 159 ways as a sum of consecutive naturals, for example, 38272494 + ... + 38272506.

Almost surely, 2^497542500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497542500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004178560).

497542500 is an abundant number, since it is smaller than the sum of its proper divisors (1510814620).

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

497542500 is an equidigital number, since it uses as much as digits as its factorization.

497542500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 497542500 is about 22305.6607165087. The cubic root of 497542500 is about 792.3980437191.

The spelling of 497542500 in words is "four hundred ninety-seven million, five hundred forty-two thousand, five hundred".