497665965 has 8 divisors (see below), whose sum is σ = 796265568. Its totient is φ = 265421840.

The previous prime is 497665957. The next prime is 497665967. The reversal of 497665965 is 569566794.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 497665965 - 2³ = 497665957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497665967) 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, 16588851 + ... + 16588880.

It is an arithmetic number, because the mean of its divisors is an integer number (99533196).

Almost surely, 2^497665965 is an apocalyptic number.

It is an amenable number.

497665965 is a deficient number, since it is larger than the sum of its proper divisors (298599603).

497665965 is a wasteful number, since it uses less digits than its factorization.

497665965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33177739.

The product of its digits is 12247200, while the sum is 57.

The square root of 497665965 is about 22308.4281158490. The cubic root of 497665965 is about 792.4635827322.

The spelling of 497665965 in words is "four hundred ninety-seven million, six hundred sixty-five thousand, nine hundred sixty-five".