115225501 has 2 divisors, whose sum is σ = 115225502. Its totient is φ = 115225500.

The previous prime is 115225499. The next prime is 115225531. The reversal of 115225501 is 105522511.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114468601 + 756900 = 10699^2 + 870^2 .

It is an emirp because it is prime and its reverse (105522511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115225501 - 2¹ = 115225499 is a prime.

Together with 115225499, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115225531) 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, 57612750 + 57612751.

It is an arithmetic number, because the mean of its divisors is an integer number (57612751).

Almost surely, 2^115225501 is an apocalyptic number.

It is an amenable number.

115225501 is a deficient number, since it is larger than the sum of its proper divisors (1).

115225501 is an equidigital number, since it uses as much as digits as its factorization.

115225501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 115225501 is about 10734.3141839616. The cubic root of 115225501 is about 486.6120602917.

The spelling of 115225501 in words is "one hundred fifteen million, two hundred twenty-five thousand, five hundred one".