245231 has 8 divisors (see below), whose sum is σ = 285984. Its totient is φ = 205920.

The previous prime is 245209. The next prime is 245251. The reversal of 245231 is 132542.

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 245231 - 2¹⁴ = 228847 is a prime.

It is a super-2 number, since 2×245231² = 120276486722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 41 + ... + 701.

It is an arithmetic number, because the mean of its divisors is an integer number (35748).

2²⁴⁵²³¹ is an apocalyptic number.

245231 is a deficient number, since it is larger than the sum of its proper divisors (40753).

245231 is an equidigital number, since it uses as much as digits as its factorization.

245231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721.

The product of its digits is 240, while the sum is 17.

The square root of 245231 is about 495.2080370915. The cubic root of 245231 is about 62.5929071571.

Adding to 245231 its reverse (132542), we get a palindrome (377773).

The spelling of 245231 in words is "two hundred forty-five thousand, two hundred thirty-one".