245235231 has 6 divisors (see below), whose sum is σ = 354228680. Its totient is φ = 163490148.

The previous prime is 245235229. The next prime is 245235241. The reversal of 245235231 is 132532542.

It is a happy number.

It is not a de Polignac number, because 245235231 - 2¹ = 245235229 is a prime.

It is a super-2 number, since 2×245235231² = 120280637047246722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245235195 and 245235204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245235241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13624171 + ... + 13624188.

Almost surely, 2^245235231 is an apocalyptic number.

245235231 is a deficient number, since it is larger than the sum of its proper divisors (108993449).

245235231 is a wasteful number, since it uses less digits than its factorization.

245235231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27248365 (or 27248362 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 245235231 is about 15659.9882183864. The cubic root of 245235231 is about 625.9326712932.

Adding to 245235231 its reverse (132532542), we get a palindrome (377767773).

The spelling of 245235231 in words is "two hundred forty-five million, two hundred thirty-five thousand, two hundred thirty-one".