4256345 has 8 divisors (see below), whose sum is σ = 5118720. Its totient is φ = 3397680.

The previous prime is 4256327. The next prime is 4256347. The reversal of 4256345 is 5436524.

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

It is not a de Polignac number, because 4256345 - 2⁶ = 4256281 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256347) 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, 3800 + ... + 4790.

It is an arithmetic number, because the mean of its divisors is an integer number (639840).

Almost surely, 2^4256345 is an apocalyptic number.

It is an amenable number.

4256345 is a deficient number, since it is larger than the sum of its proper divisors (862375).

4256345 is an equidigital number, since it uses as much as digits as its factorization.

4256345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855.

The product of its digits is 14400, while the sum is 29.

The square root of 4256345 is about 2063.0911274105. The cubic root of 4256345 is about 162.0611591464.

The spelling of 4256345 in words is "four million, two hundred fifty-six thousand, three hundred forty-five".