211025265 has 32 divisors (see below), whose sum is σ = 369294336. Its totient is φ = 102048960.

The previous prime is 211025251. The next prime is 211025281. The reversal of 211025265 is 562520112.

It is a happy number.

It is not a de Polignac number, because 211025265 - 2⁶ = 211025201 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 71652 + ... + 74538.

It is an arithmetic number, because the mean of its divisors is an integer number (11540448).

Almost surely, 2^211025265 is an apocalyptic number.

It is an amenable number.

211025265 is a deficient number, since it is larger than the sum of its proper divisors (158269071).

211025265 is a wasteful number, since it uses less digits than its factorization.

211025265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 211025265 is about 14526.7086774672. The cubic root of 211025265 is about 595.3579420055.

Adding to 211025265 its reverse (562520112), we get a palindrome (773545377).

The spelling of 211025265 in words is "two hundred eleven million, twenty-five thousand, two hundred sixty-five".