252775277413 has 2 divisors, whose sum is σ = 252775277414. Its totient is φ = 252775277412.

The previous prime is 252775277407. The next prime is 252775277519. The reversal of 252775277413 is 314772577252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204143119684 + 48632157729 = 451822^2 + 220527^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252775277413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252775275413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126387638706 + 126387638707.

It is an arithmetic number, because the mean of its divisors is an integer number (126387638707).

Almost surely, 2^252775277413 is an apocalyptic number.

It is an amenable number.

252775277413 is a deficient number, since it is larger than the sum of its proper divisors (1).

252775277413 is an equidigital number, since it uses as much as digits as its factorization.

252775277413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5762400, while the sum is 52.

The spelling of 252775277413 in words is "two hundred fifty-two billion, seven hundred seventy-five million, two hundred seventy-seven thousand, four hundred thirteen".