850028519 has 2 divisors, whose sum is σ = 850028520. Its totient is φ = 850028518.

The previous prime is 850028489. The next prime is 850028521. The reversal of 850028519 is 915820058.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 850028519 - 2²⁴ = 833251303 is a prime.

It is a super-2 number, since 2×850028519² = 1445096966226666722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 850028521, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850028539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425014259 + 425014260.

It is an arithmetic number, because the mean of its divisors is an integer number (425014260).

Almost surely, 2^850028519 is an apocalyptic number.

850028519 is a deficient number, since it is larger than the sum of its proper divisors (1).

850028519 is an equidigital number, since it uses as much as digits as its factorization.

850028519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 850028519 is about 29155.2485669390. The cubic root of 850028519 is about 947.2788312411.

The spelling of 850028519 in words is "eight hundred fifty million, twenty-eight thousand, five hundred nineteen".