4248157 has 2 divisors, whose sum is σ = 4248158. Its totient is φ = 4248156.

The previous prime is 4248151. The next prime is 4248173. The reversal of 4248157 is 7518424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4218916 + 29241 = 2054^2 + 171^2 .

It is a cyclic number.

It is not a de Polignac number, because 4248157 - 2¹⁵ = 4215389 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 4⁵ + 2⁷ + 4¹¹ + 8⁵ + 1 + 5⁵ + 7⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4248151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2124078 + 2124079.

It is an arithmetic number, because the mean of its divisors is an integer number (2124079).

Almost surely, 2^4248157 is an apocalyptic number.

It is an amenable number.

4248157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4248157 is an equidigital number, since it uses as much as digits as its factorization.

4248157 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 4248157 is about 2061.1057711821. The cubic root of 4248157 is about 161.9571725431.

The spelling of 4248157 in words is "four million, two hundred forty-eight thousand, one hundred fifty-seven".