115225399 has 2 divisors, whose sum is σ = 115225400. Its totient is φ = 115225398.

The previous prime is 115225387. The next prime is 115225471. The reversal of 115225399 is 993522511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115225399 - 2²¹ = 113128247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115225349) 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, 57612699 + 57612700.

It is an arithmetic number, because the mean of its divisors is an integer number (57612700).

Almost surely, 2^115225399 is an apocalyptic number.

115225399 is a deficient number, since it is larger than the sum of its proper divisors (1).

115225399 is an equidigital number, since it uses as much as digits as its factorization.

115225399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 37.

The square root of 115225399 is about 10734.3094328420. The cubic root of 115225399 is about 486.6119167053.

The spelling of 115225399 in words is "one hundred fifteen million, two hundred twenty-five thousand, three hundred ninety-nine".