4255905 has 32 divisors (see below), whose sum is σ = 7286400. Its totient is φ = 2115072.

The previous prime is 4255879. The next prime is 4255913. The reversal of 4255905 is 5095524.

It is a happy number.

It is not a de Polignac number, because 4255905 - 2¹² = 4251809 is a prime.

It is a super-2 number, since 2×4255905² = 36225454738050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30997 + ... + 31133.

It is an arithmetic number, because the mean of its divisors is an integer number (227700).

Almost surely, 2^4255905 is an apocalyptic number.

It is an amenable number.

4255905 is a deficient number, since it is larger than the sum of its proper divisors (3030495).

4255905 is a wasteful number, since it uses less digits than its factorization.

4255905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 4255905 is about 2062.9844885505. The cubic root of 4255905 is about 162.0555745923.

The spelling of 4255905 in words is "four million, two hundred fifty-five thousand, nine hundred five".