5252777761369 has 2 divisors, whose sum is σ = 5252777761370. Its totient is φ = 5252777761368.

The previous prime is 5252777761327. The next prime is 5252777761393. The reversal of 5252777761369 is 9631677772525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5187630303769 + 65147457600 = 2277637^2 + 255240^2 .

It is a cyclic number.

It is not a de Polignac number, because 5252777761369 - 2¹¹ = 5252777759321 is a prime.

It is a super-2 number, since 2×5252777761369² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5252777761169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626388880684 + 2626388880685.

It is an arithmetic number, because the mean of its divisors is an integer number (2626388880685).

Almost surely, 2^{5252777761369} is an apocalyptic number.

It is an amenable number.

5252777761369 is a deficient number, since it is larger than the sum of its proper divisors (1).

5252777761369 is an equidigital number, since it uses as much as digits as its factorization.

5252777761369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233377200, while the sum is 67.

The spelling of 5252777761369 in words is "five trillion, two hundred fifty-two billion, seven hundred seventy-seven million, seven hundred sixty-one thousand, three hundred sixty-nine".