245524231 has 2 divisors, whose sum is σ = 245524232. Its totient is φ = 245524230.

The previous prime is 245524229. The next prime is 245524243. The reversal of 245524231 is 132425542.

245524231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245524231 - 2¹ = 245524229 is a prime.

It is a super-2 number, since 2×245524231² = 120564296016282722, which contains 22 as substring.

Together with 245524229, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 245524231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245524271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122762115 + 122762116.

It is an arithmetic number, because the mean of its divisors is an integer number (122762116).

Almost surely, 2^245524231 is an apocalyptic number.

245524231 is a deficient number, since it is larger than the sum of its proper divisors (1).

245524231 is an equidigital number, since it uses as much as digits as its factorization.

245524231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9600, while the sum is 28.

The square root of 245524231 is about 15669.2128391952. The cubic root of 245524231 is about 626.1784537184.

Adding to 245524231 its reverse (132425542), we get a palindrome (377949773).

It can be divided in two parts, 24 and 5524231, that added together give a palindrome (5524255).

The spelling of 245524231 in words is "two hundred forty-five million, five hundred twenty-four thousand, two hundred thirty-one".