90852361 has 2 divisors, whose sum is σ = 90852362. Its totient is φ = 90852360.

The previous prime is 90852347. The next prime is 90852379. The reversal of 90852361 is 16325809.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90725625 + 126736 = 9525^2 + 356^2 .

It is a cyclic number.

It is not a de Polignac number, because 90852361 - 2¹¹ = 90850313 is a prime.

It is not a weakly prime, because it can be changed into another prime (90852961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45426180 + 45426181.

It is an arithmetic number, because the mean of its divisors is an integer number (45426181).

Almost surely, 2^90852361 is an apocalyptic number.

It is an amenable number.

90852361 is a deficient number, since it is larger than the sum of its proper divisors (1).

90852361 is an equidigital number, since it uses as much as digits as its factorization.

90852361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 90852361 is about 9531.6504866681. The cubic root of 90852361 is about 449.5507631970.

The spelling of 90852361 in words is "ninety million, eight hundred fifty-two thousand, three hundred sixty-one".