115321541 has 2 divisors, whose sum is σ = 115321542. Its totient is φ = 115321540.

The previous prime is 115321513. The next prime is 115321567. The reversal of 115321541 is 145123511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71893441 + 43428100 = 8479^2 + 6590^2 .

It is a cyclic number.

It is not a de Polignac number, because 115321541 - 2⁶ = 115321477 is a prime.

It is a super-2 number, since 2×115321541² = 26598115637229362, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115321441) 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, 57660770 + 57660771.

It is an arithmetic number, because the mean of its divisors is an integer number (57660771).

Almost surely, 2^115321541 is an apocalyptic number.

It is an amenable number.

115321541 is a deficient number, since it is larger than the sum of its proper divisors (1).

115321541 is an equidigital number, since it uses as much as digits as its factorization.

115321541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 600, while the sum is 23.

The square root of 115321541 is about 10738.7867564264. The cubic root of 115321541 is about 486.7472191573.

The spelling of 115321541 in words is "one hundred fifteen million, three hundred twenty-one thousand, five hundred forty-one".