232245217 has 2 divisors, whose sum is σ = 232245218. Its totient is φ = 232245216.

The previous prime is 232245203. The next prime is 232245269. The reversal of 232245217 is 712542232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143904016 + 88341201 = 11996^2 + 9399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232245217 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (232245287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116122608 + 116122609.

It is an arithmetic number, because the mean of its divisors is an integer number (116122609).

Almost surely, 2^232245217 is an apocalyptic number.

It is an amenable number.

232245217 is a deficient number, since it is larger than the sum of its proper divisors (1).

232245217 is an equidigital number, since it uses as much as digits as its factorization.

232245217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 28.

The square root of 232245217 is about 15239.5937281806. The cubic root of 232245217 is about 614.6797786533.

Adding to 232245217 its reverse (712542232), we get a palindrome (944787449).

It can be divided in two parts, 23224 and 5217, that added together give a triangular number (28441 = T₂₃₈).

The spelling of 232245217 in words is "two hundred thirty-two million, two hundred forty-five thousand, two hundred seventeen".