264485717 has 6 divisors (see below), whose sum is σ = 276485622. Its totient is φ = 252985832.

The previous prime is 264485693. The next prime is 264485723. The reversal of 264485717 is 717584462.

It can be written as a sum of positive squares in only one way, i.e., 257730916 + 6754801 = 16054^2 + 2599^2 .

It is not a de Polignac number, because 264485717 - 2⁸ = 264485461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264485737) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 249458 + ... + 250515.

It is an arithmetic number, because the mean of its divisors is an integer number (46080937).

Almost surely, 2^264485717 is an apocalyptic number.

It is an amenable number.

264485717 is a deficient number, since it is larger than the sum of its proper divisors (11999905).

264485717 is an equidigital number, since it uses as much as digits as its factorization.

264485717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500019 (or 499996 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 264485717 is about 16263.0168480513. The cubic root of 264485717 is about 641.9000476828.

The spelling of 264485717 in words is "two hundred sixty-four million, four hundred eighty-five thousand, seven hundred seventeen".