90382519 has 2 divisors, whose sum is σ = 90382520. Its totient is φ = 90382518.

The previous prime is 90382493. The next prime is 90382549. The reversal of 90382519 is 91528309.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90382519 - 2⁹ = 90382007 is a prime.

It is a super-2 number, since 2×90382519² = 16337999481570722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90382549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45191259 + 45191260.

It is an arithmetic number, because the mean of its divisors is an integer number (45191260).

Almost surely, 2^90382519 is an apocalyptic number.

90382519 is a deficient number, since it is larger than the sum of its proper divisors (1).

90382519 is an equidigital number, since it uses as much as digits as its factorization.

90382519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 90382519 is about 9506.9721257612. The cubic root of 90382519 is about 448.7744744995.

It can be divided in two parts, 9038 and 2519, that multiplied together give a palindrome (22766722).

The spelling of 90382519 in words is "ninety million, three hundred eighty-two thousand, five hundred nineteen".