1025204430 has 32 divisors (see below), whose sum is σ = 2500831008. Its totient is φ = 268905600.

The previous prime is 1025204393. The next prime is 1025204437. The reversal of 1025204430 is 344025201.

It is a junction number, because it is equal to n+sod(n) for n = 1025204397 and 1025204406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025204437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278281 + ... + 281940.

It is an arithmetic number, because the mean of its divisors is an integer number (78150969).

Almost surely, 2^1025204430 is an apocalyptic number.

1025204430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1025204430 is an abundant number, since it is smaller than the sum of its proper divisors (1475626578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1025204430 is a wasteful number, since it uses less digits than its factorization.

1025204430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560292.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 1025204430 is about 32018.8136882053. The cubic root of 1025204430 is about 1008.3318639112.

Adding to 1025204430 its reverse (344025201), we get a palindrome (1369229631).

The spelling of 1025204430 in words is "one billion, twenty-five million, two hundred four thousand, four hundred thirty".