80402213 has 2 divisors, whose sum is σ = 80402214. Its totient is φ = 80402212.

The previous prime is 80402207. The next prime is 80402237. The reversal of 80402213 is 31220408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 76860289 + 3541924 = 8767^2 + 1882^2 .

It is a cyclic number.

It is not a de Polignac number, because 80402213 - 2⁸ = 80401957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80402713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40201106 + 40201107.

It is an arithmetic number, because the mean of its divisors is an integer number (40201107).

Almost surely, 2^80402213 is an apocalyptic number.

It is an amenable number.

80402213 is a deficient number, since it is larger than the sum of its proper divisors (1).

80402213 is an equidigital number, since it uses as much as digits as its factorization.

80402213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 80402213 is about 8966.7281100745. The cubic root of 80402213 is about 431.6078492201.

The spelling of 80402213 in words is "eighty million, four hundred two thousand, two hundred thirteen".