252355522477 has 2 divisors, whose sum is σ = 252355522478. Its totient is φ = 252355522476.

The previous prime is 252355522453. The next prime is 252355522513. The reversal of 252355522477 is 774225553252.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 218786320516 + 33569201961 = 467746^2 + 183219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252355522477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252355522477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252355522577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126177761238 + 126177761239.

It is an arithmetic number, because the mean of its divisors is an integer number (126177761239).

Almost surely, 2^252355522477 is an apocalyptic number.

It is an amenable number.

252355522477 is a deficient number, since it is larger than the sum of its proper divisors (1).

252355522477 is an equidigital number, since it uses as much as digits as its factorization.

252355522477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5880000, while the sum is 49.

The spelling of 252355522477 in words is "two hundred fifty-two billion, three hundred fifty-five million, five hundred twenty-two thousand, four hundred seventy-seven".