90375071 has 2 divisors, whose sum is σ = 90375072. Its totient is φ = 90375070.

The previous prime is 90375041. The next prime is 90375083. The reversal of 90375071 is 17057309.

It is a strong prime.

It is an emirp because it is prime and its reverse (17057309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90375071 - 2⁶ = 90375007 is a prime.

It is a Chen prime.

It is equal to p_5237573 and since 90375071 and 5237573 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90375041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45187535 + 45187536.

It is an arithmetic number, because the mean of its divisors is an integer number (45187536).

Almost surely, 2^90375071 is an apocalyptic number.

90375071 is a deficient number, since it is larger than the sum of its proper divisors (1).

90375071 is an equidigital number, since it uses as much as digits as its factorization.

90375071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6615, while the sum is 32.

The square root of 90375071 is about 9506.5804051720. The cubic root of 90375071 is about 448.7621470268.

The spelling of 90375071 in words is "ninety million, three hundred seventy-five thousand, seventy-one".