870582522281 has 2 divisors, whose sum is σ = 870582522282. Its totient is φ = 870582522280.

The previous prime is 870582522259. The next prime is 870582522347. The reversal of 870582522281 is 182225285078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 684782730256 + 185799792025 = 827516^2 + 431045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-870582522281 is a prime.

It is a super-2 number, since 2×870582522281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (870582522781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435291261140 + 435291261141.

It is an arithmetic number, because the mean of its divisors is an integer number (435291261141).

Almost surely, 2^870582522281 is an apocalyptic number.

It is an amenable number.

870582522281 is a deficient number, since it is larger than the sum of its proper divisors (1).

870582522281 is an equidigital number, since it uses as much as digits as its factorization.

870582522281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1433600, while the sum is 50.

The spelling of 870582522281 in words is "eight hundred seventy billion, five hundred eighty-two million, five hundred twenty-two thousand, two hundred eighty-one".