4256125 has 16 divisors (see below), whose sum is σ = 5391360. Its totient is φ = 3354000.

The previous prime is 4256117. The next prime is 4256141. The reversal of 4256125 is 5216524.

It is not a de Polignac number, because 4256125 - 2³ = 4256117 is a prime.

It is a super-2 number, since 2×4256125² = 36229200031250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 4256125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9660 + ... + 10090.

It is an arithmetic number, because the mean of its divisors is an integer number (336960).

Almost surely, 2^4256125 is an apocalyptic number.

It is an amenable number.

4256125 is a deficient number, since it is larger than the sum of its proper divisors (1135235).

4256125 is an equidigital number, since it uses as much as digits as its factorization.

4256125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 515 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 4256125 is about 2063.0378086695. The cubic root of 4256125 is about 162.0583669175.

The spelling of 4256125 in words is "four million, two hundred fifty-six thousand, one hundred twenty-five".