252800278057 has 2 divisors, whose sum is σ = 252800278058. Its totient is φ = 252800278056.

The previous prime is 252800277997. The next prime is 252800278079. The reversal of 252800278057 is 750872008252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 238558003776 + 14242274281 = 488424^2 + 119341^2 .

It is a cyclic number.

It is not a de Polignac number, because 252800278057 - 2³⁵ = 218440539689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252800277998 and 252800278016.

It is not a weakly prime, because it can be changed into another prime (252800278957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126400139028 + 126400139029.

It is an arithmetic number, because the mean of its divisors is an integer number (126400139029).

Almost surely, 2^252800278057 is an apocalyptic number.

It is an amenable number.

252800278057 is a deficient number, since it is larger than the sum of its proper divisors (1).

252800278057 is an equidigital number, since it uses as much as digits as its factorization.

252800278057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 627200, while the sum is 46.

The spelling of 252800278057 in words is "two hundred fifty-two billion, eight hundred million, two hundred seventy-eight thousand, fifty-seven".