243102032417 has 2 divisors, whose sum is σ = 243102032418. Its totient is φ = 243102032416.

The previous prime is 243102032339. The next prime is 243102032461. The reversal of 243102032417 is 714230201342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 151048045201 + 92053987216 = 388649^2 + 303404^2 .

It is a cyclic number.

It is not a de Polignac number, because 243102032417 - 2²⁴ = 243085255201 is a prime.

It is a super-2 number, since 2×243102032417² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243102032417.

It is not a weakly prime, because it can be changed into another prime (243102032497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121551016208 + 121551016209.

It is an arithmetic number, because the mean of its divisors is an integer number (121551016209).

Almost surely, 2^243102032417 is an apocalyptic number.

It is an amenable number.

243102032417 is a deficient number, since it is larger than the sum of its proper divisors (1).

243102032417 is an equidigital number, since it uses as much as digits as its factorization.

243102032417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 243102032417 its reverse (714230201342), we get a palindrome (957332233759).

The spelling of 243102032417 in words is "two hundred forty-three billion, one hundred two million, thirty-two thousand, four hundred seventeen".