265672213 has 2 divisors, whose sum is σ = 265672214. Its totient is φ = 265672212.

The previous prime is 265672207. The next prime is 265672237. The reversal of 265672213 is 312276562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222546724 + 43125489 = 14918^2 + 6567^2 .

It is a cyclic number.

It is not a de Polignac number, because 265672213 - 2²¹ = 263575061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265672013) 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 as a sum of consecutive naturals, namely, 132836106 + 132836107.

It is an arithmetic number, because the mean of its divisors is an integer number (132836107).

Almost surely, 2^265672213 is an apocalyptic number.

It is an amenable number.

265672213 is a deficient number, since it is larger than the sum of its proper divisors (1).

265672213 is an equidigital number, since it uses as much as digits as its factorization.

265672213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 265672213 is about 16299.4543773710. The cubic root of 265672213 is about 642.8584810295.

The spelling of 265672213 in words is "two hundred sixty-five million, six hundred seventy-two thousand, two hundred thirteen".