4052745 has 24 divisors (see below), whose sum is σ = 7095816. Its totient is φ = 2139648.

The previous prime is 4052743. The next prime is 4052767. The reversal of 4052745 is 5472504.

It can be written as a sum of positive squares in 4 ways, for example, as 576 + 4052169 = 24^2 + 2013^2 .

It is not a de Polignac number, because 4052745 - 2¹ = 4052743 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052743) 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 23 ways as a sum of consecutive naturals, for example, 4687 + ... + 5483.

It is an arithmetic number, because the mean of its divisors is an integer number (295659).

Almost surely, 2^4052745 is an apocalyptic number.

4052745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4052745 is a deficient number, since it is larger than the sum of its proper divisors (3043071).

4052745 is a wasteful number, since it uses less digits than its factorization.

4052745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4052745 is about 2013.1430649609. The cubic root of 4052745 is about 159.4347895625.

The spelling of 4052745 in words is "four million, fifty-two thousand, seven hundred forty-five".