4052493 has 6 divisors (see below), whose sum is σ = 5853614. Its totient is φ = 2701656.

The previous prime is 4052479. The next prime is 4052497. The reversal of 4052493 is 3942504.

It can be written as a sum of positive squares in only one way, i.e., 4052169 + 324 = 2013^2 + 18^2 .

It is not a de Polignac number, because 4052493 - 2⁶ = 4052429 is a prime.

It is a d-powerful number, because it can be written as 4 + 0 + 5⁹ + 2²¹ + 4² + 9 + 3⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4052497) 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 5 ways as a sum of consecutive naturals, for example, 225130 + ... + 225147.

Almost surely, 2^4052493 is an apocalyptic number.

It is an amenable number.

4052493 is a deficient number, since it is larger than the sum of its proper divisors (1801121).

4052493 is a wasteful number, since it uses less digits than its factorization.

4052493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450283 (or 450280 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 4052493 is about 2013.0804752915. The cubic root of 4052493 is about 159.4314849381.

Adding to 4052493 its reverse (3942504), we get a palindrome (7994997).

The spelling of 4052493 in words is "four million, fifty-two thousand, four hundred ninety-three".