113245217 has 2 divisors, whose sum is σ = 113245218. Its totient is φ = 113245216.

The previous prime is 113245193. The next prime is 113245243. The reversal of 113245217 is 712542311.

It is an a-pointer prime, because the next prime (113245243) can be obtained adding 113245217 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97436641 + 15808576 = 9871^2 + 3976^2 .

It is a cyclic number.

It is not a de Polignac number, because 113245217 - 2¹⁶ = 113179681 is a prime.

It is not a weakly prime, because it can be changed into another prime (113245267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56622608 + 56622609.

It is an arithmetic number, because the mean of its divisors is an integer number (56622609).

Almost surely, 2^113245217 is an apocalyptic number.

It is an amenable number.

113245217 is a deficient number, since it is larger than the sum of its proper divisors (1).

113245217 is an equidigital number, since it uses as much as digits as its factorization.

113245217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680, while the sum is 26.

The square root of 113245217 is about 10641.6735995801. The cubic root of 113245217 is about 483.8082719077.

Adding to 113245217 its reverse (712542311), we get a palindrome (825787528).

The spelling of 113245217 in words is "one hundred thirteen million, two hundred forty-five thousand, two hundred seventeen".