80212417 has 2 divisors, whose sum is σ = 80212418. Its totient is φ = 80212416.

The previous prime is 80212397. The next prime is 80212423. The reversal of 80212417 is 71421208.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67223601 + 12988816 = 8199^2 + 3604^2 .

It is a cyclic number.

It is not a de Polignac number, because 80212417 - 2²³ = 71823809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80212391 and 80212400.

It is not a weakly prime, because it can be changed into another prime (80212427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40106208 + 40106209.

It is an arithmetic number, because the mean of its divisors is an integer number (40106209).

Almost surely, 2^80212417 is an apocalyptic number.

It is an amenable number.

80212417 is a deficient number, since it is larger than the sum of its proper divisors (1).

80212417 is an equidigital number, since it uses as much as digits as its factorization.

80212417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 80212417 is about 8956.1385094247. The cubic root of 80212417 is about 431.2679664292.

The spelling of 80212417 in words is "eighty million, two hundred twelve thousand, four hundred seventeen".