4255545 has 16 divisors (see below), whose sum is σ = 7781760. Its totient is φ = 1945344.

The previous prime is 4255541. The next prime is 4255549. The reversal of 4255545 is 5455524.

It is an interprime number because it is at equal distance from previous prime (4255541) and next prime (4255549).

It is not a de Polignac number, because 4255545 - 2² = 4255541 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4255541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20160 + ... + 20369.

It is an arithmetic number, because the mean of its divisors is an integer number (486360).

Almost surely, 2^4255545 is an apocalyptic number.

It is an amenable number.

4255545 is a deficient number, since it is larger than the sum of its proper divisors (3526215).

4255545 is a wasteful number, since it uses less digits than its factorization.

4255545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40544.

The product of its digits is 20000, while the sum is 30.

The square root of 4255545 is about 2062.8972344739. The cubic root of 4255545 is about 162.0510051253.

The spelling of 4255545 in words is "four million, two hundred fifty-five thousand, five hundred forty-five".