1005272039 has 2 divisors, whose sum is σ = 1005272040. Its totient is φ = 1005272038.

The previous prime is 1005272029. The next prime is 1005272053. The reversal of 1005272039 is 9302725001.

It is a weak prime.

It is an emirp because it is prime and its reverse (9302725001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005272039 - 2²⁰ = 1004223463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005272029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502636019 + 502636020.

It is an arithmetic number, because the mean of its divisors is an integer number (502636020).

Almost surely, 2^1005272039 is an apocalyptic number.

1005272039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005272039 is an equidigital number, since it uses as much as digits as its factorization.

1005272039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 1005272039 is about 31706.0252791169. The cubic root of 1005272039 is about 1001.7542670808.

The spelling of 1005272039 in words is "one billion, five million, two hundred seventy-two thousand, thirty-nine".