4051155 has 32 divisors (see below), whose sum is σ = 6854400. Its totient is φ = 2040192.

The previous prime is 4051139. The next prime is 4051181. The reversal of 4051155 is 5511504.

It is not a de Polignac number, because 4051155 - 2⁴ = 4051139 is a prime.

It is a super-3 number, since 3×4051155³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 29076 + ... + 29214.

It is an arithmetic number, because the mean of its divisors is an integer number (214200).

Almost surely, 2^4051155 is an apocalyptic number.

4051155 is a deficient number, since it is larger than the sum of its proper divisors (2803245).

4051155 is a wasteful number, since it uses less digits than its factorization.

4051155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 4051155 is about 2012.7481213505. The cubic root of 4051155 is about 159.4139366612.

Adding to 4051155 its reverse (5511504), we get a palindrome (9562659).

The spelling of 4051155 in words is "four million, fifty-one thousand, one hundred fifty-five".