252878183381 has 2 divisors, whose sum is σ = 252878183382. Its totient is φ = 252878183380.

The previous prime is 252878183351. The next prime is 252878183399. The reversal of 252878183381 is 183381878252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143955742225 + 108922441156 = 379415^2 + 330034^2 .

It is a cyclic number.

It is not a de Polignac number, because 252878183381 - 2³⁴ = 235698314197 is a prime.

It is a super-2 number, since 2×252878183381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252878183351) 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, 126439091690 + 126439091691.

It is an arithmetic number, because the mean of its divisors is an integer number (126439091691).

Almost surely, 2^252878183381 is an apocalyptic number.

It is an amenable number.

252878183381 is a deficient number, since it is larger than the sum of its proper divisors (1).

252878183381 is an equidigital number, since it uses as much as digits as its factorization.

252878183381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5160960, while the sum is 56.

It can be divided in two parts, 2528781 and 83381, that added together give a palindrome (2612162).

The spelling of 252878183381 in words is "two hundred fifty-two billion, eight hundred seventy-eight million, one hundred eighty-three thousand, three hundred eighty-one".