25030035000 has 240 divisors, whose sum is σ = 89695663200. Its totient is φ = 6281856000.

The previous prime is 25030034999. The next prime is 25030035001. The reversal of 25030035000 is 53003052.

It is an interprime number because it is at equal distance from previous prime (25030034999) and next prime (25030035001).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25030035001) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 748641 + ... + 781359.

It is an arithmetic number, because the mean of its divisors is an integer number (373731930).

Almost surely, 2^25030035000 is an apocalyptic number.

25030035000 is a gapful number since it is divisible by the number (20) 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 25030035000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44847831600).

25030035000 is an abundant number, since it is smaller than the sum of its proper divisors (64665628200).

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

25030035000 is a wasteful number, since it uses less digits than its factorization.

25030035000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32768 (or 32746 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

Adding to 25030035000 its reverse (53003052), we get a palindrome (25083038052).

The spelling of 25030035000 in words is "twenty-five billion, thirty million, thirty-five thousand".