4256357 has 8 divisors (see below), whose sum is σ = 5076096. Its totient is φ = 3489552.

The previous prime is 4256347. The next prime is 4256381. The reversal of 4256357 is 7536524.

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 4256357 - 2⁶ = 4256293 is a prime.

It is a super-2 number, since 2×4256357² = 36233149822898, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256327) 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, 13058 + ... + 13379.

It is an arithmetic number, because the mean of its divisors is an integer number (634512).

Almost surely, 2^4256357 is an apocalyptic number.

It is an amenable number.

4256357 is a deficient number, since it is larger than the sum of its proper divisors (819739).

4256357 is a wasteful number, since it uses less digits than its factorization.

4256357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26467.

The product of its digits is 25200, while the sum is 32.

The square root of 4256357 is about 2063.0940356658. The cubic root of 4256357 is about 162.0613114471.

The spelling of 4256357 in words is "four million, two hundred fifty-six thousand, three hundred fifty-seven".