5252777749 has 2 divisors, whose sum is σ = 5252777750. Its totient is φ = 5252777748.

The previous prime is 5252777741. The next prime is 5252777819. The reversal of 5252777749 is 9477772525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5249002500 + 3775249 = 72450^2 + 1943^2 .

It is a cyclic number.

It is not a de Polignac number, because 5252777749 - 2³ = 5252777741 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5252777749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5252777741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626388874 + 2626388875.

It is an arithmetic number, because the mean of its divisors is an integer number (2626388875).

Almost surely, 2^5252777749 is an apocalyptic number.

It is an amenable number.

5252777749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5252777749 is an equidigital number, since it uses as much as digits as its factorization.

5252777749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8643600, while the sum is 55.

The square root of 5252777749 is about 72476.0494853300. The cubic root of 5252777749 is about 1738.3197931461.

The spelling of 5252777749 in words is "five billion, two hundred fifty-two million, seven hundred seventy-seven thousand, seven hundred forty-nine".