245211 has 4 divisors (see below), whose sum is σ = 326952. Its totient is φ = 163472.

The previous prime is 245209. The next prime is 245251. The reversal of 245211 is 112542.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 245211 - 2¹ = 245209 is a prime.

It is a D-number.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 245211.

It is not an unprimeable number, because it can be changed into a prime (245251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40866 + ... + 40871.

It is an arithmetic number, because the mean of its divisors is an integer number (81738).

2²⁴⁵²¹¹ is an apocalyptic number.

245211 is a deficient number, since it is larger than the sum of its proper divisors (81741).

245211 is an equidigital number, since it uses as much as digits as its factorization.

245211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81740.

The product of its digits is 80, while the sum is 15.

The square root of 245211 is about 495.1878431464. The cubic root of 245211 is about 62.5912055068.

Adding to 245211 its reverse (112542), we get a palindrome (357753).

The spelling of 245211 in words is "two hundred forty-five thousand, two hundred eleven".