211230485 has 8 divisors (see below), whose sum is σ = 253555800. Its totient is φ = 168931584.

The previous prime is 211230479. The next prime is 211230511. The reversal of 211230485 is 584032112.

It can be written as a sum of positive squares in 4 ways, for example, as 40170244 + 171060241 = 6338^2 + 13079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211230485 - 2¹⁰ = 211229461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23369 + ... + 31121.

It is an arithmetic number, because the mean of its divisors is an integer number (31694475).

Almost surely, 2^211230485 is an apocalyptic number.

It is an amenable number.

211230485 is a deficient number, since it is larger than the sum of its proper divisors (42325315).

211230485 is an equidigital number, since it uses as much as digits as its factorization.

211230485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13207.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 211230485 is about 14533.7705018347. The cubic root of 211230485 is about 595.5508727306.

Adding to 211230485 its reverse (584032112), we get a palindrome (795262597).

The spelling of 211230485 in words is "two hundred eleven million, two hundred thirty thousand, four hundred eighty-five".