212797265 has 16 divisors (see below), whose sum is σ = 267124608. Its totient is φ = 162429696.

The previous prime is 212797261. The next prime is 212797297. The reversal of 212797265 is 562797212.

212797265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212797265 - 2² = 212797261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212797261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48857 + ... + 53033.

It is an arithmetic number, because the mean of its divisors is an integer number (16695288).

Almost surely, 2^212797265 is an apocalyptic number.

It is an amenable number.

212797265 is a deficient number, since it is larger than the sum of its proper divisors (54327343).

212797265 is a wasteful number, since it uses less digits than its factorization.

212797265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4648.

The product of its digits is 105840, while the sum is 41.

The square root of 212797265 is about 14587.5722791697. The cubic root of 212797265 is about 597.0197257487.

The spelling of 212797265 in words is "two hundred twelve million, seven hundred ninety-seven thousand, two hundred sixty-five".