4255091 has 8 divisors (see below), whose sum is σ = 4416384. Its totient is φ = 4095360.

The previous prime is 4255087. The next prime is 4255093. The reversal of 4255091 is 1905524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4255091 - 2² = 4255087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4255091.

It is not an unprimeable number, because it can be changed into a prime (4255093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9611 + ... + 10043.

It is an arithmetic number, because the mean of its divisors is an integer number (552048).

Almost surely, 2^4255091 is an apocalyptic number.

4255091 is a deficient number, since it is larger than the sum of its proper divisors (161293).

4255091 is a wasteful number, since it uses less digits than its factorization.

4255091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 4255091 is about 2062.7871921262. The cubic root of 4255091 is about 162.0452421523.

The spelling of 4255091 in words is "four million, two hundred fifty-five thousand, ninety-one".