4215157 has 2 divisors, whose sum is σ = 4215158. Its totient is φ = 4215156.

The previous prime is 4215103. The next prime is 4215191. The reversal of 4215157 is 7515124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3976036 + 239121 = 1994^2 + 489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4215157 is a prime.

It is a pancake number, because a pancake can be divided into 4215157 parts by 2903 straight cuts.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4215457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2107578 + 2107579.

It is an arithmetic number, because the mean of its divisors is an integer number (2107579).

Almost surely, 2^4215157 is an apocalyptic number.

It is an amenable number.

4215157 is a deficient number, since it is larger than the sum of its proper divisors (1).

4215157 is an equidigital number, since it uses as much as digits as its factorization.

4215157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 25.

The square root of 4215157 is about 2053.0847522691. The cubic root of 4215157 is about 161.5367168193.

The spelling of 4215157 in words is "four million, two hundred fifteen thousand, one hundred fifty-seven".