115251553 has 2 divisors, whose sum is σ = 115251554. Its totient is φ = 115251552.

The previous prime is 115251527. The next prime is 115251581. The reversal of 115251553 is 355152511.

It is an a-pointer prime, because the next prime (115251581) can be obtained adding 115251553 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 93934864 + 21316689 = 9692^2 + 4617^2 .

It is a cyclic number.

It is not a de Polignac number, because 115251553 - 2²¹ = 113154401 is a prime.

It is not a weakly prime, because it can be changed into another prime (115251503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57625776 + 57625777.

It is an arithmetic number, because the mean of its divisors is an integer number (57625777).

Almost surely, 2^115251553 is an apocalyptic number.

It is an amenable number.

115251553 is a deficient number, since it is larger than the sum of its proper divisors (1).

115251553 is an equidigital number, since it uses as much as digits as its factorization.

115251553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3750, while the sum is 28.

The square root of 115251553 is about 10735.5276069693. The cubic root of 115251553 is about 486.6487311732.

The spelling of 115251553 in words is "one hundred fifteen million, two hundred fifty-one thousand, five hundred fifty-three".