4284157 has 2 divisors, whose sum is σ = 4284158. Its totient is φ = 4284156.

The previous prime is 4284121. The next prime is 4284209. The reversal of 4284157 is 7514824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3463321 + 820836 = 1861^2 + 906^2 .

It is a cyclic number.

It is not a de Polignac number, because 4284157 - 2¹⁹ = 3759869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4284857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2142078 + 2142079.

It is an arithmetic number, because the mean of its divisors is an integer number (2142079).

Almost surely, 2^4284157 is an apocalyptic number.

It is an amenable number.

4284157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4284157 is an equidigital number, since it uses as much as digits as its factorization.

4284157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 31.

The square root of 4284157 is about 2069.8205236203. The cubic root of 4284157 is about 162.4133755272.

The spelling of 4284157 in words is "four million, two hundred eighty-four thousand, one hundred fifty-seven".