1025052500 has 60 divisors (see below), whose sum is σ = 2339176224. Its totient is φ = 392172000.

The previous prime is 1025052499. The next prime is 1025052517. The reversal of 1025052500 is 52505201.

1025052500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48587 + ... + 66413.

Almost surely, 2^1025052500 is an apocalyptic number.

1025052500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1025052500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1169588112).

1025052500 is an abundant number, since it is smaller than the sum of its proper divisors (1314123724).

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

1025052500 is a wasteful number, since it uses less digits than its factorization.

1025052500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17874 (or 17857 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1025052500 is about 32016.4410889156. The cubic root of 1025052500 is about 1008.2820515929.

Adding to 1025052500 its reverse (52505201), we get a palindrome (1077557701).

The spelling of 1025052500 in words is "one billion, twenty-five million, fifty-two thousand, five hundred".