4056257 has 8 divisors (see below), whose sum is σ = 4369920. Its totient is φ = 3754080.

The previous prime is 4056229. The next prime is 4056287. The reversal of 4056257 is 7526504.

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 4056257 - 2⁶ = 4056193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4056287) 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, 2132 + ... + 3557.

It is an arithmetic number, because the mean of its divisors is an integer number (546240).

Almost surely, 2^4056257 is an apocalyptic number.

It is an amenable number.

4056257 is a deficient number, since it is larger than the sum of its proper divisors (313663).

4056257 is a wasteful number, since it uses less digits than its factorization.

4056257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5743.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 4056257 is about 2014.0151439351. The cubic root of 4056257 is about 159.4808302351.

The spelling of 4056257 in words is "four million, fifty-six thousand, two hundred fifty-seven".