90258271 has 2 divisors, whose sum is σ = 90258272. Its totient is φ = 90258270.

The previous prime is 90258269. The next prime is 90258319. The reversal of 90258271 is 17285209.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90258271 - 2¹ = 90258269 is a prime.

Together with 90258269, 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 (90258221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45129135 + 45129136.

It is an arithmetic number, because the mean of its divisors is an integer number (45129136).

Almost surely, 2^90258271 is an apocalyptic number.

90258271 is a deficient number, since it is larger than the sum of its proper divisors (1).

90258271 is an equidigital number, since it uses as much as digits as its factorization.

90258271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 90258271 is about 9500.4353058163. The cubic root of 90258271 is about 448.5687381776.

The spelling of 90258271 in words is "ninety million, two hundred fifty-eight thousand, two hundred seventy-one".