265212071 has 2 divisors, whose sum is σ = 265212072. Its totient is φ = 265212070.

The previous prime is 265212061. The next prime is 265212083. The reversal of 265212071 is 170212562.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265212071 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 265212071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265212061) 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, 132606035 + 132606036.

It is an arithmetic number, because the mean of its divisors is an integer number (132606036).

Almost surely, 2^265212071 is an apocalyptic number.

265212071 is a deficient number, since it is larger than the sum of its proper divisors (1).

265212071 is an equidigital number, since it uses as much as digits as its factorization.

265212071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 265212071 is about 16285.3330024289. Note that the first 3 decimals coincide. The cubic root of 265212071 is about 642.4871247552.

The spelling of 265212071 in words is "two hundred sixty-five million, two hundred twelve thousand, seventy-one".