485207917 has 4 divisors (see below), whose sum is σ = 493431840. Its totient is φ = 476983996.

The previous prime is 485207909. The next prime is 485207923. The reversal of 485207917 is 719702584.

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 485207917 - 2³ = 485207909 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 (485207927) 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, 4111873 + ... + 4111990.

It is an arithmetic number, because the mean of its divisors is an integer number (123357960).

Almost surely, 2^485207917 is an apocalyptic number.

It is an amenable number.

485207917 is a deficient number, since it is larger than the sum of its proper divisors (8223923).

485207917 is an equidigital number, since it uses as much as digits as its factorization.

485207917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8223922.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 485207917 is about 22027.4355520564. The cubic root of 485207917 is about 785.7950574673.

The spelling of 485207917 in words is "four hundred eighty-five million, two hundred seven thousand, nine hundred seventeen".