1020025339 has 2 divisors, whose sum is σ = 1020025340. Its totient is φ = 1020025338.

The previous prime is 1020025289. The next prime is 1020025397. The reversal of 1020025339 is 9335200201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020025339 is a prime.

It is not a weakly prime, because it can be changed into another prime (1020025639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510012669 + 510012670.

It is an arithmetic number, because the mean of its divisors is an integer number (510012670).

Almost surely, 2^1020025339 is an apocalyptic number.

1020025339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020025339 is an equidigital number, since it uses as much as digits as its factorization.

1020025339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 1020025339 is about 31937.8355403117. The cubic root of 1020025339 is about 1006.6310450508.

The spelling of 1020025339 in words is "one billion, twenty million, twenty-five thousand, three hundred thirty-nine".