235203217 has 2 divisors, whose sum is σ = 235203218. Its totient is φ = 235203216.

The previous prime is 235203203. The next prime is 235203233. The reversal of 235203217 is 712302532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 165997456 + 69205761 = 12884^2 + 8319^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235203217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 235203191 and 235203200.

It is not a weakly prime, because it can be changed into another prime (235203247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117601608 + 117601609.

It is an arithmetic number, because the mean of its divisors is an integer number (117601609).

Almost surely, 2^235203217 is an apocalyptic number.

It is an amenable number.

235203217 is a deficient number, since it is larger than the sum of its proper divisors (1).

235203217 is an equidigital number, since it uses as much as digits as its factorization.

235203217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 235203217 is about 15336.3364921353. The cubic root of 235203217 is about 617.2784079267.

Adding to 235203217 its reverse (712302532), we get a palindrome (947505749).

The spelling of 235203217 in words is "two hundred thirty-five million, two hundred three thousand, two hundred seventeen".