4257197 has 8 divisors (see below), whose sum is σ = 5121600. Its totient is φ = 3456864.

The previous prime is 4257193. The next prime is 4257203. The reversal of 4257197 is 7917524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4257197 - 2² = 4257193 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 2⁵ + 5⁵ + 7³ + 1 + 9⁵ + 7³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4257193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15872 + ... + 16137.

It is an arithmetic number, because the mean of its divisors is an integer number (640200).

Almost surely, 2^4257197 is an apocalyptic number.

It is an amenable number.

4257197 is a deficient number, since it is larger than the sum of its proper divisors (864403).

4257197 is a wasteful number, since it uses less digits than its factorization.

4257197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32035.

The product of its digits is 17640, while the sum is 35.

The square root of 4257197 is about 2063.2976033525. The cubic root of 4257197 is about 162.0719717799.

The spelling of 4257197 in words is "four million, two hundred fifty-seven thousand, one hundred ninety-seven".