8532490861 has 2 divisors, whose sum is σ = 8532490862. Its totient is φ = 8532490860.

The previous prime is 8532490843. The next prime is 8532490907. The reversal of 8532490861 is 1680942358.

It is the 37711-st star number.

It is an a-pointer prime, because the next prime (8532490907) can be obtained adding 8532490861 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8513568361 + 18922500 = 92269^2 + 4350^2 .

It is a cyclic number.

It is not a de Polignac number, because 8532490861 - 2¹¹ = 8532488813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8532490061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4266245430 + 4266245431.

It is an arithmetic number, because the mean of its divisors is an integer number (4266245431).

Almost surely, 2^8532490861 is an apocalyptic number.

It is an amenable number.

8532490861 is a deficient number, since it is larger than the sum of its proper divisors (1).

8532490861 is an equidigital number, since it uses as much as digits as its factorization.

8532490861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 8532490861 is about 92371.4829425186. The cubic root of 8532490861 is about 2043.4245680763.

The spelling of 8532490861 in words is "eight billion, five hundred thirty-two million, four hundred ninety thousand, eight hundred sixty-one".