90214519 has 2 divisors, whose sum is σ = 90214520. Its totient is φ = 90214518.

The previous prime is 90214477. The next prime is 90214541. The reversal of 90214519 is 91541209.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 90214519 - 2¹⁹ = 89690231 is a prime.

It is a super-2 number, since 2×90214519² = 16277318876802722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (90214549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45107259 + 45107260.

It is an arithmetic number, because the mean of its divisors is an integer number (45107260).

Almost surely, 2^90214519 is an apocalyptic number.

90214519 is a deficient number, since it is larger than the sum of its proper divisors (1).

90214519 is an equidigital number, since it uses as much as digits as its factorization.

90214519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 90214519 is about 9498.1323953712. The cubic root of 90214519 is about 448.4962463856.

The spelling of 90214519 in words is "ninety million, two hundred fourteen thousand, five hundred nineteen".