4115491 has 4 divisors (see below), whose sum is σ = 4121800. Its totient is φ = 4109184.

The previous prime is 4115471. The next prime is 4115509. The reversal of 4115491 is 1945114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1945114 = 2 ⋅972557.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4115491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4115471) 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, 2046 + ... + 3523.

It is an arithmetic number, because the mean of its divisors is an integer number (1030450).

Almost surely, 2^4115491 is an apocalyptic number.

4115491 is a deficient number, since it is larger than the sum of its proper divisors (6309).

4115491 is an equidigital number, since it uses as much as digits as its factorization.

4115491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308.

The product of its digits is 720, while the sum is 25.

The square root of 4115491 is about 2028.6672965275. The cubic root of 4115491 is about 160.2533875678.

The spelling of 4115491 in words is "four million, one hundred fifteen thousand, four hundred ninety-one".