1052021447 has 2 divisors, whose sum is σ = 1052021448. Its totient is φ = 1052021446.

The previous prime is 1052021423. The next prime is 1052021461. The reversal of 1052021447 is 7441202501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1052021447 - 2¹⁰ = 1052020423 is a prime.

It is a super-2 number, since 2×1052021447² = 2213498249895947618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052021147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526010723 + 526010724.

It is an arithmetic number, because the mean of its divisors is an integer number (526010724).

Almost surely, 2^1052021447 is an apocalyptic number.

1052021447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052021447 is an equidigital number, since it uses as much as digits as its factorization.

1052021447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 1052021447 is about 32434.8800984372. The cubic root of 1052021447 is about 1017.0481899207.

Adding to 1052021447 its reverse (7441202501), we get a palindrome (8493223948).

The spelling of 1052021447 in words is "one billion, fifty-two million, twenty-one thousand, four hundred forty-seven".