90365071 has 2 divisors, whose sum is σ = 90365072. Its totient is φ = 90365070.

The previous prime is 90365069. The next prime is 90365101. The reversal of 90365071 is 17056309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90365071 - 2¹ = 90365069 is a prime.

Together with 90365069, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90362071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45182535 + 45182536.

It is an arithmetic number, because the mean of its divisors is an integer number (45182536).

Almost surely, 2^90365071 is an apocalyptic number.

90365071 is a deficient number, since it is larger than the sum of its proper divisors (1).

90365071 is an equidigital number, since it uses as much as digits as its factorization.

90365071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 90365071 is about 9506.0544391456. The cubic root of 90365071 is about 448.7455945750.

The spelling of 90365071 in words is "ninety million, three hundred sixty-five thousand, seventy-one".