4006053 has 12 divisors (see below), whose sum is σ = 5882188. Its totient is φ = 2626560.

The previous prime is 4006039. The next prime is 4006063. The reversal of 4006053 is 3506004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 613089 + 3392964 = 783^2 + 1842^2 .

It is not a de Polignac number, because 4006053 - 2²⁰ = 2957477 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3100 + ... + 4197.

Almost surely, 2^4006053 is an apocalyptic number.

It is an amenable number.

4006053 is a deficient number, since it is larger than the sum of its proper divisors (1876135).

4006053 is a wasteful number, since it uses less digits than its factorization.

4006053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364 (or 7361 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 4006053 is about 2001.5126779514. The cubic root of 4006053 is about 158.8201359962.

The spelling of 4006053 in words is "four million, six thousand, fifty-three".