211030265 has 16 divisors (see below), whose sum is σ = 269039232. Its totient is φ = 158356224.

The previous prime is 211030243. The next prime is 211030273. The reversal of 211030265 is 562030112.

It is not a de Polignac number, because 211030265 - 2¹⁶ = 210964729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22052 + ... + 30138.

It is an arithmetic number, because the mean of its divisors is an integer number (16814952).

Almost surely, 2^211030265 is an apocalyptic number.

It is an amenable number.

211030265 is a deficient number, since it is larger than the sum of its proper divisors (58008967).

211030265 is a wasteful number, since it uses less digits than its factorization.

211030265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 211030265 is about 14526.8807732424. The cubic root of 211030265 is about 595.3626440747.

Adding to 211030265 its reverse (562030112), we get a palindrome (773060377).

The spelling of 211030265 in words is "two hundred eleven million, thirty thousand, two hundred sixty-five".