265132217 has 8 divisors (see below), whose sum is σ = 309455616. Its totient is φ = 222420672.

The previous prime is 265132207. The next prime is 265132249. The reversal of 265132217 is 712231562.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265132217 - 2⁸ = 265131961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265132217.

It is not an unprimeable number, because it can be changed into a prime (265132207) 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 7 ways as a sum of consecutive naturals, for example, 402608 + ... + 403265.

It is an arithmetic number, because the mean of its divisors is an integer number (38681952).

Almost surely, 2^265132217 is an apocalyptic number.

It is an amenable number.

265132217 is a deficient number, since it is larger than the sum of its proper divisors (44323399).

265132217 is an equidigital number, since it uses as much as digits as its factorization.

265132217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805927.

The product of its digits is 5040, while the sum is 29.

The square root of 265132217 is about 16282.8811025568. The cubic root of 265132217 is about 642.4226350851.

Adding to 265132217 its reverse (712231562), we get a palindrome (977363779).

The spelling of 265132217 in words is "two hundred sixty-five million, one hundred thirty-two thousand, two hundred seventeen".