4275391 has 4 divisors (see below), whose sum is σ = 4334032. Its totient is φ = 4216752.

The previous prime is 4275389. The next prime is 4275419. The reversal of 4275391 is 1935724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4275391 - 2¹ = 4275389 is a prime.

It is an Ulam number.

It is a Duffinian number.

4275391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4275301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29211 + ... + 29356.

It is an arithmetic number, because the mean of its divisors is an integer number (1083508).

Almost surely, 2^4275391 is an apocalyptic number.

4275391 is a deficient number, since it is larger than the sum of its proper divisors (58641).

4275391 is an equidigital number, since it uses as much as digits as its factorization.

4275391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58640.

The product of its digits is 7560, while the sum is 31.

The square root of 4275391 is about 2067.7018643895. The cubic root of 4275391 is about 162.3025261974.

The spelling of 4275391 in words is "four million, two hundred seventy-five thousand, three hundred ninety-one".