1052290709 has 2 divisors, whose sum is σ = 1052290710. Its totient is φ = 1052290708.

The previous prime is 1052290697. The next prime is 1052290717. The reversal of 1052290709 is 9070922501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 854100625 + 198190084 = 29225^2 + 14078^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1052290709 is a prime.

It is a super-2 number, since 2×1052290709² = 2214631472495445362, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052290739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526145354 + 526145355.

It is an arithmetic number, because the mean of its divisors is an integer number (526145355).

Almost surely, 2^1052290709 is an apocalyptic number.

It is an amenable number.

1052290709 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052290709 is an equidigital number, since it uses as much as digits as its factorization.

1052290709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 1052290709 is about 32439.0306421138. The cubic root of 1052290709 is about 1017.1349527492.

The spelling of 1052290709 in words is "one billion, fifty-two million, two hundred ninety thousand, seven hundred nine".