1004144253 has 16 divisors (see below), whose sum is σ = 1620132480. Its totient is φ = 540043776.

The previous prime is 1004144177. The next prime is 1004144293. The reversal of 1004144253 is 3524414001.

It is not a de Polignac number, because 1004144253 - 2⁹ = 1004143741 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 (1004144293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1406008 + ... + 1406721.

It is an arithmetic number, because the mean of its divisors is an integer number (101258280).

Almost surely, 2^1004144253 is an apocalyptic number.

It is an amenable number.

1004144253 is a deficient number, since it is larger than the sum of its proper divisors (615988227).

1004144253 is a wasteful number, since it uses less digits than its factorization.

1004144253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2812756.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1004144253 is about 31688.2352459079. The cubic root of 1004144253 is about 1001.3795137334.

Adding to 1004144253 its reverse (3524414001), we get a palindrome (4528558254).

The spelling of 1004144253 in words is "one billion, four million, one hundred forty-four thousand, two hundred fifty-three".