1052307239 has 2 divisors, whose sum is σ = 1052307240. Its totient is φ = 1052307238.

The previous prime is 1052307233. The next prime is 1052307251. The reversal of 1052307239 is 9327032501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1052307239 - 2²⁸ = 783871783 is a prime.

It is a super-2 number, since 2×1052307239² = 2214701050503606242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1052307233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526153619 + 526153620.

It is an arithmetic number, because the mean of its divisors is an integer number (526153620).

Almost surely, 2^1052307239 is an apocalyptic number.

1052307239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1052307239 is an equidigital number, since it uses as much as digits as its factorization.

1052307239 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 32.

The square root of 1052307239 is about 32439.2854267784. The cubic root of 1052307239 is about 1017.1402786389.

The spelling of 1052307239 in words is "one billion, fifty-two million, three hundred seven thousand, two hundred thirty-nine".