4575391 has 4 divisors (see below), whose sum is σ = 4653000. Its totient is φ = 4497784.

The previous prime is 4575379. The next prime is 4575469. The reversal of 4575391 is 1935754.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1935754 = 2 ⋅967877.

It is a cyclic number.

It is not a de Polignac number, because 4575391 - 2⁹ = 4574879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4575341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38716 + ... + 38833.

It is an arithmetic number, because the mean of its divisors is an integer number (1163250).

Almost surely, 2^4575391 is an apocalyptic number.

4575391 is a deficient number, since it is larger than the sum of its proper divisors (77609).

4575391 is an equidigital number, since it uses as much as digits as its factorization.

4575391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77608.

The product of its digits is 18900, while the sum is 34.

The square root of 4575391 is about 2139.0163627238. The cubic root of 4575391 is about 166.0132446973.

The spelling of 4575391 in words is "four million, five hundred seventy-five thousand, three hundred ninety-one".