90060851 has 2 divisors, whose sum is σ = 90060852. Its totient is φ = 90060850.

The previous prime is 90060829. The next prime is 90060853. The reversal of 90060851 is 15806009.

It is a strong prime.

It is an emirp because it is prime and its reverse (15806009) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90060851 is a prime.

It is a super-2 number, since 2×90060851² = 16221913765688402, which contains 22 as substring.

Together with 90060853, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (90060853) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45030425 + 45030426.

It is an arithmetic number, because the mean of its divisors is an integer number (45030426).

Almost surely, 2^90060851 is an apocalyptic number.

90060851 is a deficient number, since it is larger than the sum of its proper divisors (1).

90060851 is an equidigital number, since it uses as much as digits as its factorization.

90060851 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 90060851 is about 9490.0395678838. The cubic root of 90060851 is about 448.2414511462.

The spelling of 90060851 in words is "ninety million, sixty thousand, eight hundred fifty-one".