4131385 has 8 divisors (see below), whose sum is σ = 4968576. Its totient is φ = 3297840.

The previous prime is 4131373. The next prime is 4131409. The reversal of 4131385 is 5831314.

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

It is not a de Polignac number, because 4131385 - 2⁵ = 4131353 is a prime.

It is a Duffinian 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, 4080 + ... + 4990.

It is an arithmetic number, because the mean of its divisors is an integer number (621072).

Almost surely, 2^4131385 is an apocalyptic number.

It is an amenable number.

4131385 is a deficient number, since it is larger than the sum of its proper divisors (837191).

4131385 is an equidigital number, since it uses as much as digits as its factorization.

4131385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823.

The product of its digits is 1440, while the sum is 25.

The square root of 4131385 is about 2032.5808716998. The cubic root of 4131385 is about 160.4594217477.

Adding to 4131385 its reverse (5831314), we get a palindrome (9962699).

The spelling of 4131385 in words is "four million, one hundred thirty-one thousand, three hundred eighty-five".