1052281 has 2 divisors, whose sum is σ = 1052282. Its totient is φ = 1052280.

The previous prime is 1052279. The next prime is 1052287. The reversal of 1052281 is 1822501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1040400 + 11881 = 1020^2 + 109^2 .

It is an emirp because it is prime and its reverse (1822501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1052281 - 2¹ = 1052279 is a prime.

It is a super-2 number, since 2×1052281² = 2214590605922, which contains 22 as substring.

Together with 1052279, it forms a pair of twin primes.

1052281 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1052287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526140 + 526141.

It is an arithmetic number, because the mean of its divisors is an integer number (526141).

2^1052281 is an apocalyptic number.

It is an amenable number.

1052281 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052281 is an equidigital number, since it uses as much as digits as its factorization.

1052281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1052281 is about 1025.8074868122. The cubic root of 1052281 is about 101.7131824528.

Adding to 1052281 its reverse (1822501), we get a palindrome (2874782).

The spelling of 1052281 in words is "one million, fifty-two thousand, two hundred eighty-one".