1025061439 has 2 divisors, whose sum is σ = 1025061440. Its totient is φ = 1025061438.

The previous prime is 1025061383. The next prime is 1025061449. The reversal of 1025061439 is 9341605201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025061439 - 2⁷ = 1025061311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1025061439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025061449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512530719 + 512530720.

It is an arithmetic number, because the mean of its divisors is an integer number (512530720).

Almost surely, 2^1025061439 is an apocalyptic number.

1025061439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025061439 is an equidigital number, since it uses as much as digits as its factorization.

1025061439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 1025061439 is about 32016.5806887619. The cubic root of 1025061439 is about 1008.2849825020.

The spelling of 1025061439 in words is "one billion, twenty-five million, sixty-one thousand, four hundred thirty-nine".