245032231 has 2 divisors, whose sum is σ = 245032232. Its totient is φ = 245032230.

The previous prime is 245032213. The next prime is 245032243. The reversal of 245032231 is 132230542.

Together with previous prime (245032213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245032231 - 2²³ = 236643623 is a prime.

It is a super-2 number, since 2×245032231² = 120081588457674722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245032201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122516115 + 122516116.

It is an arithmetic number, because the mean of its divisors is an integer number (122516116).

Almost surely, 2^245032231 is an apocalyptic number.

245032231 is a deficient number, since it is larger than the sum of its proper divisors (1).

245032231 is an equidigital number, since it uses as much as digits as its factorization.

245032231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 245032231 is about 15653.5053901674. The cubic root of 245032231 is about 625.7599127976.

Adding to 245032231 its reverse (132230542), we get a palindrome (377262773).

The spelling of 245032231 in words is "two hundred forty-five million, thirty-two thousand, two hundred thirty-one".