4151005 has 12 divisors (see below), whose sum is σ = 5111100. Its totient is φ = 3236352.

The previous prime is 4150981. The next prime is 4151011. The reversal of 4151005 is 5001514.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2013561 + 2137444 = 1419^2 + 1462^2 .

It is not a de Polignac number, because 4151005 - 2¹¹ = 4148957 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4151005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9021 + ... + 9469.

It is an arithmetic number, because the mean of its divisors is an integer number (425925).

Almost surely, 2^4151005 is an apocalyptic number.

It is an amenable number.

4151005 is a deficient number, since it is larger than the sum of its proper divisors (960095).

4151005 is an equidigital number, since it uses as much as digits as its factorization.

4151005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 4151005 is about 2037.4015313629. The cubic root of 4151005 is about 160.7130286557.

Adding to 4151005 its reverse (5001514), we get a palindrome (9152519).

The spelling of 4151005 in words is "four million, one hundred fifty-one thousand, five".