500605997 has 4 divisors (see below), whose sum is σ = 500759616. Its totient is φ = 500452380.

The previous prime is 500605993. The next prime is 500606003. The reversal of 500605997 is 799506005.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 500605997 - 2² = 500605993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (500605991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71813 + ... + 78474.

It is an arithmetic number, because the mean of its divisors is an integer number (125189904).

Almost surely, 2^500605997 is an apocalyptic number.

It is an amenable number.

500605997 is a deficient number, since it is larger than the sum of its proper divisors (153619).

500605997 is a wasteful number, since it uses less digits than its factorization.

500605997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153618.

The product of its (nonzero) digits is 85050, while the sum is 41.

The square root of 500605997 is about 22374.2261765631. The cubic root of 500605997 is about 794.0210499530.

The spelling of 500605997 in words is "five hundred million, six hundred five thousand, nine hundred ninety-seven".