90364519 has 4 divisors (see below), whose sum is σ = 103273744. Its totient is φ = 77455296.

The previous prime is 90364517. The next prime is 90364531. The reversal of 90364519 is 91546309.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91546309 = 17 ⋅5385077.

It is a cyclic number.

It is not a de Polignac number, because 90364519 - 2¹ = 90364517 is a prime.

It is a super-2 number, since 2×90364519² = 16331492588202722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90364511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6454602 + ... + 6454615.

It is an arithmetic number, because the mean of its divisors is an integer number (25818436).

Almost surely, 2^90364519 is an apocalyptic number.

90364519 is a deficient number, since it is larger than the sum of its proper divisors (12909225).

90364519 is a wasteful number, since it uses less digits than its factorization.

90364519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12909224.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 90364519 is about 9506.0254049734. The cubic root of 90364519 is about 448.7446808441.

The spelling of 90364519 in words is "ninety million, three hundred sixty-four thousand, five hundred nineteen".