4101391 has 4 divisors (see below), whose sum is σ = 4687312. Its totient is φ = 3515472.

The previous prime is 4101389. The next prime is 4101401. The reversal of 4101391 is 1931014.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1931014 = 2 ⋅965507.

It is a cyclic number.

It is not a de Polignac number, because 4101391 - 2¹ = 4101389 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4101371) 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, 292950 + ... + 292963.

It is an arithmetic number, because the mean of its divisors is an integer number (1171828).

Almost surely, 2^4101391 is an apocalyptic number.

4101391 is a deficient number, since it is larger than the sum of its proper divisors (585921).

4101391 is an equidigital number, since it uses as much as digits as its factorization.

4101391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585920.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 4101391 is about 2025.1891269706. The cubic root of 4101391 is about 160.0701645389.

The spelling of 4101391 in words is "four million, one hundred one thousand, three hundred ninety-one".