1005272441 has 4 divisors (see below), whose sum is σ = 1064406132. Its totient is φ = 946138752.

The previous prime is 1005272419. The next prime is 1005272453. The reversal of 1005272441 is 1442725001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1442725001 = 19843 ⋅72707.

It can be written as a sum of positive squares in 2 ways, for example, as 415996816 + 589275625 = 20396^2 + 24275^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005272441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1005272441.

It is not an unprimeable number, because it can be changed into a prime (1005272461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29566820 + ... + 29566853.

It is an arithmetic number, because the mean of its divisors is an integer number (266101533).

Almost surely, 2^1005272441 is an apocalyptic number.

It is an amenable number.

1005272441 is a deficient number, since it is larger than the sum of its proper divisors (59133691).

1005272441 is an equidigital number, since it uses as much as digits as its factorization.

1005272441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59133690.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 1005272441 is about 31706.0316186053. The cubic root of 1005272441 is about 1001.7544006119.

Adding to 1005272441 its reverse (1442725001), we get a palindrome (2447997442).

The spelling of 1005272441 in words is "one billion, five million, two hundred seventy-two thousand, four hundred forty-one".