252648480869 has 2 divisors, whose sum is σ = 252648480870. Its totient is φ = 252648480868.

The previous prime is 252648480863. The next prime is 252648480893. The reversal of 252648480869 is 968084846252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137956530625 + 114691950244 = 371425^2 + 338662^2 .

It is a cyclic number.

It is not a de Polignac number, because 252648480869 - 2²⁰ = 252647432293 is a prime.

It is a super-2 number, since 2×252648480869² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252648480863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126324240434 + 126324240435.

It is an arithmetic number, because the mean of its divisors is an integer number (126324240435).

Almost surely, 2^252648480869 is an apocalyptic number.

It is an amenable number.

252648480869 is a deficient number, since it is larger than the sum of its proper divisors (1).

252648480869 is an equidigital number, since it uses as much as digits as its factorization.

252648480869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 53084160, while the sum is 62.

The spelling of 252648480869 in words is "two hundred fifty-two billion, six hundred forty-eight million, four hundred eighty thousand, eight hundred sixty-nine".