1252501375249 has 4 divisors (see below), whose sum is σ = 1252730064564. Its totient is φ = 1252272685936.

The previous prime is 1252501375187. The next prime is 1252501375261. The reversal of 1252501375249 is 9425731052521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1248654274624 + 3847100625 = 1117432^2 + 62025^2 .

It is a cyclic number.

It is not a de Polignac number, because 1252501375249 - 2¹⁵ = 1252501342481 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1252501375199 and 1252501375208.

It is not an unprimeable number, because it can be changed into a prime (1252501375289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114336442 + ... + 114347395.

It is an arithmetic number, because the mean of its divisors is an integer number (313182516141).

Almost surely, 2^{1252501375249} is an apocalyptic number.

It is an amenable number.

1252501375249 is a deficient number, since it is larger than the sum of its proper divisors (228689315).

1252501375249 is an equidigital number, since it uses as much as digits as its factorization.

1252501375249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228689314.

The product of its (nonzero) digits is 756000, while the sum is 46.

The spelling of 1252501375249 in words is "one trillion, two hundred fifty-two billion, five hundred one million, three hundred seventy-five thousand, two hundred forty-nine".