115204213 has 2 divisors, whose sum is σ = 115204214. Its totient is φ = 115204212.

The previous prime is 115204207. The next prime is 115204237. The reversal of 115204213 is 312402511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64609444 + 50594769 = 8038^2 + 7113^2 .

It is a cyclic number.

It is not a de Polignac number, because 115204213 - 2⁹ = 115203701 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115204283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57602106 + 57602107.

It is an arithmetic number, because the mean of its divisors is an integer number (57602107).

Almost surely, 2^115204213 is an apocalyptic number.

It is an amenable number.

115204213 is a deficient number, since it is larger than the sum of its proper divisors (1).

115204213 is an equidigital number, since it uses as much as digits as its factorization.

115204213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 115204213 is about 10733.3225517544. The cubic root of 115204213 is about 486.5820911284.

Adding to 115204213 its reverse (312402511), we get a palindrome (427606724).

The spelling of 115204213 in words is "one hundred fifteen million, two hundred four thousand, two hundred thirteen".