4249591 has 4 divisors (see below), whose sum is σ = 4287312. Its totient is φ = 4211872.

The previous prime is 4249579. The next prime is 4249613. The reversal of 4249591 is 1959424.

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 4249591 - 2⁷ = 4249463 is a prime.

It is a super-3 number, since 3×4249591³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249501) 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, 18691 + ... + 18916.

It is an arithmetic number, because the mean of its divisors is an integer number (1071828).

Almost surely, 2^4249591 is an apocalyptic number.

4249591 is a deficient number, since it is larger than the sum of its proper divisors (37721).

4249591 is a wasteful number, since it uses less digits than its factorization.

4249591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37720.

The product of its digits is 12960, while the sum is 34.

The square root of 4249591 is about 2061.4536133515. The cubic root of 4249591 is about 161.9753938139.

The spelling of 4249591 in words is "four million, two hundred forty-nine thousand, five hundred ninety-one".