90005319 has 6 divisors (see below), whose sum is σ = 130007696. Its totient is φ = 60003540.

The previous prime is 90005309. The next prime is 90005393. The reversal of 90005319 is 91350009.

It is not a de Polignac number, because 90005319 - 2⁴ = 90005303 is a prime.

It is a super-2 number, since 2×90005319² = 16201914896583522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 90005292 and 90005301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90005309) 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 in 5 ways as a sum of consecutive naturals, for example, 5000287 + ... + 5000304.

Almost surely, 2^90005319 is an apocalyptic number.

90005319 is a deficient number, since it is larger than the sum of its proper divisors (40002377).

90005319 is a wasteful number, since it uses less digits than its factorization.

90005319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10000597 (or 10000594 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 27.

The square root of 90005319 is about 9487.1133122779. The cubic root of 90005319 is about 448.1493028492.

The spelling of 90005319 in words is "ninety million, five thousand, three hundred nineteen".