4083257 has 4 divisors (see below), whose sum is σ = 4098276. Its totient is φ = 4068240.

The previous prime is 4083253. The next prime is 4083269. The reversal of 4083257 is 7523804.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2572816 + 1510441 = 1604^2 + 1229^2 .

It is a cyclic number.

It is not a de Polignac number, because 4083257 - 2² = 4083253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4083251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7094 + ... + 7647.

It is an arithmetic number, because the mean of its divisors is an integer number (1024569).

Almost surely, 2^4083257 is an apocalyptic number.

It is an amenable number.

4083257 is a deficient number, since it is larger than the sum of its proper divisors (15019).

4083257 is a wasteful number, since it uses less digits than its factorization.

4083257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15018.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 4083257 is about 2020.7070544738. The cubic root of 4083257 is about 159.8339031545.

The spelling of 4083257 in words is "four million, eighty-three thousand, two hundred fifty-seven".