90009037 has 2 divisors, whose sum is σ = 90009038. Its totient is φ = 90009036.

The previous prime is 90009001. The next prime is 90009053. The reversal of 90009037 is 73090009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60621796 + 29387241 = 7786^2 + 5421^2 .

It is a cyclic number.

It is not a de Polignac number, because 90009037 - 2¹⁵ = 89976269 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 90008996 and 90009014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90019037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45004518 + 45004519.

It is an arithmetic number, because the mean of its divisors is an integer number (45004519).

Almost surely, 2^90009037 is an apocalyptic number.

It is an amenable number.

90009037 is a deficient number, since it is larger than the sum of its proper divisors (1).

90009037 is an equidigital number, since it uses as much as digits as its factorization.

90009037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1701, while the sum is 28.

The square root of 90009037 is about 9487.3092602697. The cubic root of 90009037 is about 448.1554735814.

The spelling of 90009037 in words is "ninety million, nine thousand, thirty-seven".