4051393 has 4 divisors (see below), whose sum is σ = 4055940. Its totient is φ = 4046848.

The previous prime is 4051379. The next prime is 4051403. The reversal of 4051393 is 3931504.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1468944 + 2582449 = 1212^2 + 1607^2 .

It is a cyclic number.

It is not a de Polignac number, because 4051393 - 2⁵ = 4051361 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (4051343) 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, 448 + ... + 2881.

It is an arithmetic number, because the mean of its divisors is an integer number (1013985).

Almost surely, 2^4051393 is an apocalyptic number.

It is an amenable number.

4051393 is a deficient number, since it is larger than the sum of its proper divisors (4547).

4051393 is a wasteful number, since it uses less digits than its factorization.

4051393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 4051393 is about 2012.8072436277. The cubic root of 4051393 is about 159.4170583861.

Adding to 4051393 its reverse (3931504), we get a palindrome (7982897).

It can be divided in two parts, 4051 and 393, that added together give a palindrome (4444).

The spelling of 4051393 in words is "four million, fifty-one thousand, three hundred ninety-three".