4051365 has 16 divisors (see below), whose sum is σ = 6525888. Its totient is φ = 2146176.

The previous prime is 4051363. The next prime is 4051367. The reversal of 4051365 is 5631504.

It is an interprime number because it is at equal distance from previous prime (4051363) and next prime (4051367).

It is not a de Polignac number, because 4051365 - 2¹ = 4051363 is a prime.

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1617 + ... + 3273.

It is an arithmetic number, because the mean of its divisors is an integer number (407868).

Almost surely, 2^4051365 is an apocalyptic number.

It is an amenable number.

4051365 is a deficient number, since it is larger than the sum of its proper divisors (2474523).

4051365 is a wasteful number, since it uses less digits than its factorization.

4051365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 4051365 is about 2012.8002881558. The cubic root of 4051365 is about 159.4166911307.

Adding to 4051365 its reverse (5631504), we get a palindrome (9682869).

It can be divided in two parts, 405 and 1365, that added together give a triangular number (1770 = T₅₉).

The spelling of 4051365 in words is "four million, fifty-one thousand, three hundred sixty-five".