4218413 has 2 divisors, whose sum is σ = 4218414. Its totient is φ = 4218412.

The previous prime is 4218377. The next prime is 4218439. The reversal of 4218413 is 3148124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2319529 + 1898884 = 1523^2 + 1378^2 .

It is a cyclic number.

It is not a de Polignac number, because 4218413 - 2⁶ = 4218349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4218463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2109206 + 2109207.

It is an arithmetic number, because the mean of its divisors is an integer number (2109207).

Almost surely, 2^4218413 is an apocalyptic number.

It is an amenable number.

4218413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4218413 is an equidigital number, since it uses as much as digits as its factorization.

4218413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

The square root of 4218413 is about 2053.8775523385. The cubic root of 4218413 is about 161.5782991520.

The spelling of 4218413 in words is "four million, two hundred eighteen thousand, four hundred thirteen".