4131345 has 8 divisors (see below), whose sum is σ = 6610176. Its totient is φ = 2203376.

The previous prime is 4131331. The next prime is 4131353. The reversal of 4131345 is 5431314.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4131345 - 2⁵ = 4131313 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137697 + ... + 137726.

It is an arithmetic number, because the mean of its divisors is an integer number (826272).

Almost surely, 2^4131345 is an apocalyptic number.

It is an amenable number.

4131345 is a deficient number, since it is larger than the sum of its proper divisors (2478831).

4131345 is a wasteful number, since it uses less digits than its factorization.

4131345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275431.

The product of its digits is 720, while the sum is 21.

The square root of 4131345 is about 2032.5710319691. The cubic root of 4131345 is about 160.4589038909.

Adding to 4131345 its reverse (5431314), we get a palindrome (9562659).

The spelling of 4131345 in words is "four million, one hundred thirty-one thousand, three hundred forty-five".