265272817 has 2 divisors, whose sum is σ = 265272818. Its totient is φ = 265272816.

The previous prime is 265272803. The next prime is 265272857. The reversal of 265272817 is 718272562.

It is a happy number.

It is an a-pointer prime, because the next prime (265272857) can be obtained adding 265272817 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 145829776 + 119443041 = 12076^2 + 10929^2 .

It is a cyclic number.

It is not a de Polignac number, because 265272817 - 2¹¹ = 265270769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265272817.

It is not a weakly prime, because it can be changed into another prime (265272857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132636408 + 132636409.

It is an arithmetic number, because the mean of its divisors is an integer number (132636409).

Almost surely, 2^265272817 is an apocalyptic number.

It is an amenable number.

265272817 is a deficient number, since it is larger than the sum of its proper divisors (1).

265272817 is an equidigital number, since it uses as much as digits as its factorization.

265272817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 40.

The square root of 265272817 is about 16287.1979480818. The cubic root of 265272817 is about 642.5361742364.

The spelling of 265272817 in words is "two hundred sixty-five million, two hundred seventy-two thousand, eight hundred seventeen".