4255616 has 16 divisors (see below), whose sum is σ = 8478240. Its totient is φ = 2127744.

The previous prime is 4255609. The next prime is 4255619. The reversal of 4255616 is 6165524.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×4255616² = 36220535078912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4255619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16496 + ... + 16751.

It is an arithmetic number, because the mean of its divisors is an integer number (529890).

Almost surely, 2^4255616 is an apocalyptic number.

It is an amenable number.

4255616 is a deficient number, since it is larger than the sum of its proper divisors (4222624).

4255616 is an equidigital number, since it uses as much as digits as its factorization.

4255616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33261 (or 33249 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 4255616 is about 2062.9144432089. The cubic root of 4255616 is about 162.0519063462.

The spelling of 4255616 in words is "four million, two hundred fifty-five thousand, six hundred sixteen".