8150819 has 2 divisors, whose sum is σ = 8150820. Its totient is φ = 8150818.

The previous prime is 8150789. The next prime is 8150839. The reversal of 8150819 is 9180518.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8150819 is a prime.

It is a super-2 number, since 2×8150819² = 132871700741522, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8150839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4075409 + 4075410.

It is an arithmetic number, because the mean of its divisors is an integer number (4075410).

Almost surely, 2^8150819 is an apocalyptic number.

8150819 is a deficient number, since it is larger than the sum of its proper divisors (1).

8150819 is an equidigital number, since it uses as much as digits as its factorization.

8150819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 8150819 is about 2854.9639227143. The cubic root of 8150819 is about 201.2490086496.

The spelling of 8150819 in words is "eight million, one hundred fifty thousand, eight hundred nineteen".