90365101 has 2 divisors, whose sum is σ = 90365102. Its totient is φ = 90365100.

The previous prime is 90365071. The next prime is 90365117. The reversal of 90365101 is 10156309.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90269001 + 96100 = 9501^2 + 310^2 .

It is an emirp because it is prime and its reverse (10156309) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 90365101 - 2⁵ = 90365069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90365201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45182550 + 45182551.

It is an arithmetic number, because the mean of its divisors is an integer number (45182551).

Almost surely, 2^90365101 is an apocalyptic number.

It is an amenable number.

90365101 is a deficient number, since it is larger than the sum of its proper divisors (1).

90365101 is an equidigital number, since it uses as much as digits as its factorization.

90365101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 90365101 is about 9506.0560170872. The cubic root of 90365101 is about 448.7456442342.

The spelling of 90365101 in words is "ninety million, three hundred sixty-five thousand, one hundred one".