1025170000 has 100 divisors (see below), whose sum is σ = 2562879616. Its totient is φ = 396720000.

The previous prime is 1025169991. The next prime is 1025170001. The reversal of 1025170000 is 715201.

1025170000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025170001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 308347 + ... + 311653.

Almost surely, 2^1025170000 is an apocalyptic number.

1025170000 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 1025170000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1281439808).

1025170000 is an abundant number, since it is smaller than the sum of its proper divisors (1537709616).

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

1025170000 is an equidigital number, since it uses as much as digits as its factorization.

1025170000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 3345 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 1025170000 is about 32018.2760310420. The cubic root of 1025170000 is about 1008.3205759984.

Adding to 1025170000 its reverse (715201), we get a palindrome (1025885201).

The spelling of 1025170000 in words is "one billion, twenty-five million, one hundred seventy thousand".