80315219 has 2 divisors, whose sum is σ = 80315220. Its totient is φ = 80315218.

The previous prime is 80315167. The next prime is 80315243. The reversal of 80315219 is 91251308.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80315219 - 2¹² = 80311123 is a prime.

It is a super-2 number, since 2×80315219² = 12901068806035922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80315191 and 80315200.

It is not a weakly prime, because it can be changed into another prime (80311219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40157609 + 40157610.

It is an arithmetic number, because the mean of its divisors is an integer number (40157610).

Almost surely, 2^80315219 is an apocalyptic number.

80315219 is a deficient number, since it is larger than the sum of its proper divisors (1).

80315219 is an equidigital number, since it uses as much as digits as its factorization.

80315219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 80315219 is about 8961.8758639026. The cubic root of 80315219 is about 431.4521286171.

The spelling of 80315219 in words is "eighty million, three hundred fifteen thousand, two hundred nineteen".