90036413 has 2 divisors, whose sum is σ = 90036414. Its totient is φ = 90036412.

The previous prime is 90036391. The next prime is 90036433. The reversal of 90036413 is 31463009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85618009 + 4418404 = 9253^2 + 2102^2 .

It is a cyclic number.

It is not a de Polignac number, because 90036413 - 2¹⁶ = 89970877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90036433) 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, 45018206 + 45018207.

It is an arithmetic number, because the mean of its divisors is an integer number (45018207).

Almost surely, 2^90036413 is an apocalyptic number.

It is an amenable number.

90036413 is a deficient number, since it is larger than the sum of its proper divisors (1).

90036413 is an equidigital number, since it uses as much as digits as its factorization.

90036413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 90036413 is about 9488.7519200367. The cubic root of 90036413 is about 448.2009040590.

The spelling of 90036413 in words is "ninety million, thirty-six thousand, four hundred thirteen".