1052073661 has 2 divisors, whose sum is σ = 1052073662. Its totient is φ = 1052073660.

The previous prime is 1052073623. The next prime is 1052073677. The reversal of 1052073661 is 1663702501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611325625 + 440748036 = 24725^2 + 20994^2 .

It is a cyclic number.

It is not a de Polignac number, because 1052073661 - 2²⁹ = 515202749 is a prime.

It is a super-2 number, since 2×1052073661² = 2213717976339885842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052073601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526036830 + 526036831.

It is an arithmetic number, because the mean of its divisors is an integer number (526036831).

Almost surely, 2^1052073661 is an apocalyptic number.

It is an amenable number.

1052073661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052073661 is an equidigital number, since it uses as much as digits as its factorization.

1052073661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1052073661 is about 32435.6849935376. The cubic root of 1052073661 is about 1017.0650157106.

The spelling of 1052073661 in words is "one billion, fifty-two million, seventy-three thousand, six hundred sixty-one".