1080825217 has 2 divisors, whose sum is σ = 1080825218. Its totient is φ = 1080825216.

The previous prime is 1080825197. The next prime is 1080825257. The reversal of 1080825217 is 7125280801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 887086656 + 193738561 = 29784^2 + 13919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1080825217 - 2²⁷ = 946607489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1080825257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540412608 + 540412609.

It is an arithmetic number, because the mean of its divisors is an integer number (540412609).

Almost surely, 2^1080825217 is an apocalyptic number.

It is an amenable number.

1080825217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1080825217 is an equidigital number, since it uses as much as digits as its factorization.

1080825217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 34.

The square root of 1080825217 is about 32875.9063297120. The cubic root of 1080825217 is about 1026.2468165191.

The spelling of 1080825217 in words is "one billion, eighty million, eight hundred twenty-five thousand, two hundred seventeen".