1025272243 has 16 divisors (see below), whose sum is σ = 1091502720. Its totient is φ = 960330816.

The previous prime is 1025272231. The next prime is 1025272267. The reversal of 1025272243 is 3422725201.

It is a cyclic number.

It is not a de Polignac number, because 1025272243 - 2⁵ = 1025272211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1025272273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798480 + ... + 799762.

It is an arithmetic number, because the mean of its divisors is an integer number (68218920).

Almost surely, 2^1025272243 is an apocalyptic number.

1025272243 is a deficient number, since it is larger than the sum of its proper divisors (66230477).

1025272243 is a wasteful number, since it uses less digits than its factorization.

1025272243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1025272243 is about 32019.8726262301. The cubic root of 1025272243 is about 1008.3540957377.

Adding to 1025272243 its reverse (3422725201), we get a palindrome (4447997444).

The spelling of 1025272243 in words is "one billion, twenty-five million, two hundred seventy-two thousand, two hundred forty-three".