1025034404 has 6 divisors (see below), whose sum is σ = 1793810214. Its totient is φ = 512517200.

The previous prime is 1025034403. The next prime is 1025034443. The reversal of 1025034404 is 4044305201.

It can be written as a sum of positive squares in only one way, i.e., 873793600 + 151240804 = 29560^2 + 12298^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1025034404.

It is not an unprimeable number, because it can be changed into a prime (1025034403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128129297 + ... + 128129304.

It is an arithmetic number, because the mean of its divisors is an integer number (298968369).

Almost surely, 2^1025034404 is an apocalyptic number.

It is an amenable number.

1025034404 is a deficient number, since it is larger than the sum of its proper divisors (768775810).

1025034404 is a wasteful number, since it uses less digits than its factorization.

1025034404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256258605 (or 256258603 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 1025034404 is about 32016.1584828661. The cubic root of 1025034404 is about 1008.2761182449.

Adding to 1025034404 its reverse (4044305201), we get a palindrome (5069339605).

The spelling of 1025034404 in words is "one billion, twenty-five million, thirty-four thousand, four hundred four".