485691697 has 4 divisors (see below), whose sum is σ = 487831536. Its totient is φ = 483551860.

The previous prime is 485691691. The next prime is 485691709. The reversal of 485691697 is 796196584.

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 a de Polignac number, because none of the positive numbers 2^k-485691697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (485691691) 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, 1069579 + ... + 1070032.

It is an arithmetic number, because the mean of its divisors is an integer number (121957884).

Almost surely, 2^485691697 is an apocalyptic number.

It is an amenable number.

485691697 is a deficient number, since it is larger than the sum of its proper divisors (2139839).

485691697 is a wasteful number, since it uses less digits than its factorization.

485691697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139838.

The product of its digits is 3265920, while the sum is 55.

The square root of 485691697 is about 22038.4141217103. The cubic root of 485691697 is about 786.0561315657.

The spelling of 485691697 in words is "four hundred eighty-five million, six hundred ninety-one thousand, six hundred ninety-seven".