1252752113 has 2 divisors, whose sum is σ = 1252752114. Its totient is φ = 1252752112.

The previous prime is 1252752103. The next prime is 1252752173. The reversal of 1252752113 is 3112572521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 676416064 + 576336049 = 26008^2 + 24007^2 .

It is an emirp because it is prime and its reverse (3112572521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1252752113 - 2⁴ = 1252752097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1252752103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626376056 + 626376057.

It is an arithmetic number, because the mean of its divisors is an integer number (626376057).

Almost surely, 2^1252752113 is an apocalyptic number.

It is an amenable number.

1252752113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252752113 is an equidigital number, since it uses as much as digits as its factorization.

1252752113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 29.

The square root of 1252752113 is about 35394.2384153127. The cubic root of 1252752113 is about 1078.0073318929.

The spelling of 1252752113 in words is "one billion, two hundred fifty-two million, seven hundred fifty-two thousand, one hundred thirteen".