4278413 has 2 divisors, whose sum is σ = 4278414. Its totient is φ = 4278412.

The previous prime is 4278383. The next prime is 4278431. The reversal of 4278413 is 3148724.

Together with next prime (4278431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4251844 + 26569 = 2062^2 + 163^2 .

It is a cyclic number.

It is not a de Polignac number, because 4278413 - 2⁶ = 4278349 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4278433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2139206 + 2139207.

It is an arithmetic number, because the mean of its divisors is an integer number (2139207).

Almost surely, 2^4278413 is an apocalyptic number.

It is an amenable number.

4278413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4278413 is an equidigital number, since it uses as much as digits as its factorization.

4278413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 29.

The square root of 4278413 is about 2068.4324982943. The cubic root of 4278413 is about 162.3407576104.

The spelling of 4278413 in words is "four million, two hundred seventy-eight thousand, four hundred thirteen".