115325621 has 2 divisors, whose sum is σ = 115325622. Its totient is φ = 115325620.

The previous prime is 115325599. The next prime is 115325629. The reversal of 115325621 is 126523511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115132900 + 192721 = 10730^2 + 439^2 .

It is an emirp because it is prime and its reverse (126523511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115325621 - 2²⁶ = 48216757 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115325629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57662810 + 57662811.

It is an arithmetic number, because the mean of its divisors is an integer number (57662811).

Almost surely, 2^115325621 is an apocalyptic number.

It is an amenable number.

115325621 is a deficient number, since it is larger than the sum of its proper divisors (1).

115325621 is an equidigital number, since it uses as much as digits as its factorization.

115325621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

The square root of 115325621 is about 10738.9767203398. The cubic root of 115325621 is about 486.7529593547.

The spelling of 115325621 in words is "one hundred fifteen million, three hundred twenty-five thousand, six hundred twenty-one".