264065197 has 12 divisors (see below), whose sum is σ = 290660860. Its totient is φ = 239722560.

The previous prime is 264065177. The next prime is 264065237. The reversal of 264065197 is 791560462.

It can be written as a sum of positive squares in 2 ways, for example, as 92428996 + 171636201 = 9614^2 + 13101^2 .

It is not a de Polignac number, because 264065197 - 2⁷ = 264065069 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 (264065147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135643 + ... + 137575.

Almost surely, 2^264065197 is an apocalyptic number.

It is an amenable number.

264065197 is a deficient number, since it is larger than the sum of its proper divisors (26595663).

264065197 is a wasteful number, since it uses less digits than its factorization.

264065197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084 (or 3073 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 264065197 is about 16250.0829844035. The cubic root of 264065197 is about 641.5596701414.

The spelling of 264065197 in words is "two hundred sixty-four million, sixty-five thousand, one hundred ninety-seven".