497663556 has 24 divisors (see below), whose sum is σ = 1250539584. Its totient is φ = 153127200.

The previous prime is 497663549. The next prime is 497663563. The reversal of 497663556 is 655366794.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (497663549) and next prime (497663563).

It is a junction number, because it is equal to n+sod(n) for n = 497663499 and 497663508.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1594920 + ... + 1595231.

It is an arithmetic number, because the mean of its divisors is an integer number (52105816).

Almost surely, 2^497663556 is an apocalyptic number.

It is an amenable number.

497663556 is an abundant number, since it is smaller than the sum of its proper divisors (752876028).

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

497663556 is a wasteful number, since it uses less digits than its factorization.

497663556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190171 (or 3190169 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 51.

The square root of 497663556 is about 22308.3741227370. The cubic root of 497663556 is about 792.4623040647.

The spelling of 497663556 in words is "four hundred ninety-seven million, six hundred sixty-three thousand, five hundred fifty-six".