4078213 has 2 divisors, whose sum is σ = 4078214. Its totient is φ = 4078212.

The previous prime is 4078211. The next prime is 4078219. The reversal of 4078213 is 3128704.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3932289 + 145924 = 1983^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 4078213 - 2¹ = 4078211 is a prime.

Together with 4078211, 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 (4078211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039106 + 2039107.

It is an arithmetic number, because the mean of its divisors is an integer number (2039107).

Almost surely, 2^4078213 is an apocalyptic number.

It is an amenable number.

4078213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4078213 is an equidigital number, since it uses as much as digits as its factorization.

4078213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4078213 is about 2019.4585908109. The cubic root of 4078213 is about 159.7680623808.

The spelling of 4078213 in words is "four million, seventy-eight thousand, two hundred thirteen".