1025542244 has 12 divisors (see below), whose sum is σ = 1795002300. Its totient is φ = 512684448.

The previous prime is 1025542241. The next prime is 1025542261. The reversal of 1025542244 is 4422455201.

It can be written as a sum of positive squares in 2 ways, for example, as 756910144 + 268632100 = 27512^2 + 16390^2 .

It is not an unprimeable number, because it can be changed into a prime (1025542241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10142 + ... + 46410.

It is an arithmetic number, because the mean of its divisors is an integer number (149583525).

Almost surely, 2^1025542244 is an apocalyptic number.

It is an amenable number.

1025542244 is a deficient number, since it is larger than the sum of its proper divisors (769460056).

1025542244 is a wasteful number, since it uses less digits than its factorization.

1025542244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43342 (or 43340 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1025542244 is about 32024.0884960056. The cubic root of 1025542244 is about 1008.4426031953.

Adding to 1025542244 its reverse (4422455201), we get a palindrome (5447997445).

The spelling of 1025542244 in words is "one billion, twenty-five million, five hundred forty-two thousand, two hundred forty-four".