1025443201 has 4 divisors (see below), whose sum is σ = 1070027712. Its totient is φ = 980858692.

The previous prime is 1025443193. The next prime is 1025443249. The reversal of 1025443201 is 1023445201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1023445201 = 269 ⋅3804629.

It is a cyclic number.

It is not a de Polignac number, because 1025443201 - 2³ = 1025443193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1025443261) 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, 22292221 + ... + 22292266.

It is an arithmetic number, because the mean of its divisors is an integer number (267506928).

Almost surely, 2^1025443201 is an apocalyptic number.

It is an amenable number.

1025443201 is a deficient number, since it is larger than the sum of its proper divisors (44584511).

1025443201 is an equidigital number, since it uses as much as digits as its factorization.

1025443201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44584510.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1025443201 is about 32022.5420758565. The cubic root of 1025443201 is about 1008.4101382897.

Adding to 1025443201 its reverse (1023445201), we get a palindrome (2048888402).

The spelling of 1025443201 in words is "one billion, twenty-five million, four hundred forty-three thousand, two hundred one".