1025320339 has 2 divisors, whose sum is σ = 1025320340. Its totient is φ = 1025320338.

The previous prime is 1025320297. The next prime is 1025320393. The reversal of 1025320339 is 9330235201.

Together with next prime (1025320393) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025320339 - 2¹¹ = 1025318291 is a prime.

It is not a weakly prime, because it can be changed into another prime (1025320739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512660169 + 512660170.

It is an arithmetic number, because the mean of its divisors is an integer number (512660170).

Almost surely, 2^1025320339 is an apocalyptic number.

1025320339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025320339 is an equidigital number, since it uses as much as digits as its factorization.

1025320339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 1025320339 is about 32020.6236510159. The cubic root of 1025320339 is about 1008.3698629451.

The spelling of 1025320339 in words is "one billion, twenty-five million, three hundred twenty thousand, three hundred thirty-nine".