4051045 has 4 divisors (see below), whose sum is σ = 4861260. Its totient is φ = 3240832.

The previous prime is 4051007. The next prime is 4051051. The reversal of 4051045 is 5401504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 669124 + 3381921 = 818^2 + 1839^2 .

It is a cyclic number.

It is not a de Polignac number, because 4051045 - 2¹⁵ = 4018277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405100 + ... + 405109.

It is an arithmetic number, because the mean of its divisors is an integer number (1215315).

Almost surely, 2^4051045 is an apocalyptic number.

It is an amenable number.

4051045 is a deficient number, since it is larger than the sum of its proper divisors (810215).

4051045 is an equidigital number, since it uses as much as digits as its factorization.

4051045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810214.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4051045 is about 2012.7207953415. The cubic root of 4051045 is about 159.4124938059.

Adding to 4051045 its reverse (5401504), we get a palindrome (9452549).

The spelling of 4051045 in words is "four million, fifty-one thousand, forty-five".