1052759821 has 2 divisors, whose sum is σ = 1052759822. Its totient is φ = 1052759820.

The previous prime is 1052759801. The next prime is 1052759831. The reversal of 1052759821 is 1289572501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1052678025 + 81796 = 32445^2 + 286^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052759821 - 2⁷ = 1052759693 is a prime.

It is a super-2 number, since 2×1052759821² = 2216606481423904082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052759801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526379910 + 526379911.

It is an arithmetic number, because the mean of its divisors is an integer number (526379911).

Almost surely, 2^1052759821 is an apocalyptic number.

It is an amenable number.

1052759821 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052759821 is an equidigital number, since it uses as much as digits as its factorization.

1052759821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 1052759821 is about 32446.2605087243. The cubic root of 1052759821 is about 1017.2860768067.

The spelling of 1052759821 in words is "one billion, fifty-two million, seven hundred fifty-nine thousand, eight hundred twenty-one".