1025980687 has 2 divisors, whose sum is σ = 1025980688. Its totient is φ = 1025980686.

The previous prime is 1025980633. The next prime is 1025980721. The reversal of 1025980687 is 7860895201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1025980687 - 2²⁷ = 891762959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1025981687) 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, 512990343 + 512990344.

It is an arithmetic number, because the mean of its divisors is an integer number (512990344).

Almost surely, 2^1025980687 is an apocalyptic number.

1025980687 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025980687 is an equidigital number, since it uses as much as digits as its factorization.

1025980687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 1025980687 is about 32030.9332833122. The cubic root of 1025980687 is about 1008.5862935564.

The spelling of 1025980687 in words is "one billion, twenty-five million, nine hundred eighty thousand, six hundred eighty-seven".