497642520 has 32 divisors (see below), whose sum is σ = 1492927920. Its totient is φ = 132704640.

The previous prime is 497642507. The next prime is 497642527. The reversal of 497642520 is 25246794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497642527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2073391 + ... + 2073630.

Almost surely, 2^497642520 is an apocalyptic number.

497642520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

497642520 is an abundant number, since it is smaller than the sum of its proper divisors (995285400).

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

497642520 is a wasteful number, since it uses less digits than its factorization.

497642520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147035 (or 4147031 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 497642520 is about 22307.9026356132. The cubic root of 497642520 is about 792.4511382401.

The spelling of 497642520 in words is "four hundred ninety-seven million, six hundred forty-two thousand, five hundred twenty".