115213061 has 2 divisors, whose sum is σ = 115213062. Its totient is φ = 115213060.

The previous prime is 115213051. The next prime is 115213067. The reversal of 115213061 is 160312511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102921025 + 12292036 = 10145^2 + 3506^2 .

It is an emirp because it is prime and its reverse (160312511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115213061 - 2²⁶ = 48104197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115213067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57606530 + 57606531.

It is an arithmetic number, because the mean of its divisors is an integer number (57606531).

Almost surely, 2^115213061 is an apocalyptic number.

It is an amenable number.

115213061 is a deficient number, since it is larger than the sum of its proper divisors (1).

115213061 is an equidigital number, since it uses as much as digits as its factorization.

115213061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 115213061 is about 10733.7347181678. The cubic root of 115213061 is about 486.5945477566.

Adding to 115213061 its reverse (160312511), we get a palindrome (275525572).

The spelling of 115213061 in words is "one hundred fifteen million, two hundred thirteen thousand, sixty-one".