1025879219 has 2 divisors, whose sum is σ = 1025879220. Its totient is φ = 1025879218.

The previous prime is 1025879207. The next prime is 1025879233. The reversal of 1025879219 is 9129785201.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1025879219 - 2²⁸ = 757443763 is a prime.

It is a super-2 number, since 2×1025879219² = 2104856343952099922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1025879219.

It is not a weakly prime, because it can be changed into another prime (1025879719) 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, 512939609 + 512939610.

It is an arithmetic number, because the mean of its divisors is an integer number (512939610).

Almost surely, 2^1025879219 is an apocalyptic number.

1025879219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1025879219 is an equidigital number, since it uses as much as digits as its factorization.

1025879219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 1025879219 is about 32029.3493377558. The cubic root of 1025879219 is about 1008.5530432203.

The spelling of 1025879219 in words is "one billion, twenty-five million, eight hundred seventy-nine thousand, two hundred nineteen".