115878533 has 2 divisors, whose sum is σ = 115878534. Its totient is φ = 115878532.

The previous prime is 115878517. The next prime is 115878563. The reversal of 115878533 is 335878511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113912929 + 1965604 = 10673^2 + 1402^2 .

It is a cyclic number.

It is not a de Polignac number, because 115878533 - 2⁴ = 115878517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115878563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57939266 + 57939267.

It is an arithmetic number, because the mean of its divisors is an integer number (57939267).

Almost surely, 2^115878533 is an apocalyptic number.

It is an amenable number.

115878533 is a deficient number, since it is larger than the sum of its proper divisors (1).

115878533 is an equidigital number, since it uses as much as digits as its factorization.

115878533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 41.

The square root of 115878533 is about 10764.6891734039. The cubic root of 115878533 is about 487.5296083704.

The spelling of 115878533 in words is "one hundred fifteen million, eight hundred seventy-eight thousand, five hundred thirty-three".