80803213 has 2 divisors, whose sum is σ = 80803214. Its totient is φ = 80803212.

The previous prime is 80803211. The next prime is 80803237. The reversal of 80803213 is 31230808.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76422564 + 4380649 = 8742^2 + 2093^2 .

It is a cyclic number.

It is not a de Polignac number, because 80803213 - 2¹ = 80803211 is a prime.

It is a super-2 number, since 2×80803213² = 13058318462246738, which contains 22 as substring.

Together with 80803211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80803211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40401606 + 40401607.

It is an arithmetic number, because the mean of its divisors is an integer number (40401607).

Almost surely, 2^80803213 is an apocalyptic number.

It is an amenable number.

80803213 is a deficient number, since it is larger than the sum of its proper divisors (1).

80803213 is an equidigital number, since it uses as much as digits as its factorization.

80803213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 80803213 is about 8989.0607407003. The cubic root of 80803213 is about 432.3241968729.

The spelling of 80803213 in words is "eighty million, eight hundred three thousand, two hundred thirteen".