1052251350749 has 2 divisors, whose sum is σ = 1052251350750. Its totient is φ = 1052251350748.

The previous prime is 1052251350713. The next prime is 1052251350757. The reversal of 1052251350749 is 9470531522501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 723933810649 + 328317540100 = 850843^2 + 572990^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052251350749 is a prime.

It is a super-2 number, since 2×1052251350749² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052251350149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526125675374 + 526125675375.

It is an arithmetic number, because the mean of its divisors is an integer number (526125675375).

Almost surely, 2^{1052251350749} is an apocalyptic number.

It is an amenable number.

1052251350749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052251350749 is an equidigital number, since it uses as much as digits as its factorization.

1052251350749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 1052251350749 in words is "one trillion, fifty-two billion, two hundred fifty-one million, three hundred fifty thousand, seven hundred forty-nine".