4091351 has 4 divisors (see below), whose sum is σ = 4463304. Its totient is φ = 3719400.

The previous prime is 4091323. The next prime is 4091357. The reversal of 4091351 is 1531904.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4091351 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 (4091357) 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, 185960 + ... + 185981.

It is an arithmetic number, because the mean of its divisors is an integer number (1115826).

Almost surely, 2^4091351 is an apocalyptic number.

4091351 is a deficient number, since it is larger than the sum of its proper divisors (371953).

4091351 is a wasteful number, since it uses less digits than its factorization.

4091351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371952.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 4091351 is about 2022.7088272908. The cubic root of 4091351 is about 159.9394432292.

The spelling of 4091351 in words is "four million, ninety-one thousand, three hundred fifty-one".