4255491 has 16 divisors (see below), whose sum is σ = 6054048. Its totient is φ = 2649600.

The previous prime is 4255477. The next prime is 4255501. The reversal of 4255491 is 1945524.

It is not a de Polignac number, because 4255491 - 2¹¹ = 4253443 is a prime.

4255491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4255451) 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, 9001 + ... + 9461.

It is an arithmetic number, because the mean of its divisors is an integer number (378378).

Almost surely, 2^4255491 is an apocalyptic number.

4255491 is a deficient number, since it is larger than the sum of its proper divisors (1798557).

4255491 is a wasteful number, since it uses less digits than its factorization.

4255491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662.

The product of its digits is 7200, while the sum is 30.

The square root of 4255491 is about 2062.8841460441. The cubic root of 4255491 is about 162.0503196831.

The spelling of 4255491 in words is "four million, two hundred fifty-five thousand, four hundred ninety-one".