211370745 has 16 divisors (see below), whose sum is σ = 343926720. Its totient is φ = 110819904.

The previous prime is 211370717. The next prime is 211370749. The reversal of 211370745 is 547073112.

211370745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211370745 - 2¹³ = 211362553 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211370749) 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, 118534 + ... + 120303.

It is an arithmetic number, because the mean of its divisors is an integer number (21495420).

Almost surely, 2^211370745 is an apocalyptic number.

It is an amenable number.

211370745 is a deficient number, since it is larger than the sum of its proper divisors (132555975).

211370745 is a wasteful number, since it uses less digits than its factorization.

211370745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238904.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 211370745 is about 14538.5950146498. The cubic root of 211370745 is about 595.6826616048.

The spelling of 211370745 in words is "two hundred eleven million, three hundred seventy thousand, seven hundred forty-five".