1025225400 has 96 divisors (see below), whose sum is σ = 3287847600. Its totient is φ = 263961600.

The previous prime is 1025225387. The next prime is 1025225431. The reversal of 1025225400 is 45225201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 12061 + ... + 46860.

Almost surely, 2^1025225400 is an apocalyptic number.

1025225400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025225400 is an abundant number, since it is smaller than the sum of its proper divisors (2262622200).

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

1025225400 is a wasteful number, since it uses less digits than its factorization.

1025225400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58969 (or 58960 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 1025225400 is about 32019.1411502557. The cubic root of 1025225400 is about 1008.3387388246.

The spelling of 1025225400 in words is "one billion, twenty-five million, two hundred twenty-five thousand, four hundred".