1252608113 has 2 divisors, whose sum is σ = 1252608114. Its totient is φ = 1252608112.

The previous prime is 1252608061. The next prime is 1252608131. The reversal of 1252608113 is 3118062521.

Together with next prime (1252608131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 792591409 + 460016704 = 28153^2 + 21448^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252608113 - 2²⁰ = 1251559537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1252608143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626304056 + 626304057.

It is an arithmetic number, because the mean of its divisors is an integer number (626304057).

Almost surely, 2^1252608113 is an apocalyptic number.

It is an amenable number.

1252608113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252608113 is an equidigital number, since it uses as much as digits as its factorization.

1252608113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1252608113 is about 35392.2041274629. The cubic root of 1252608113 is about 1077.9660257684.

The spelling of 1252608113 in words is "one billion, two hundred fifty-two million, six hundred eight thousand, one hundred thirteen".