25134250700 has 144 divisors (see below), whose sum is σ = 63962052000. Its totient is φ = 8488488960.

The previous prime is 25134250699. The next prime is 25134250709. The reversal of 25134250700 is 705243152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (25134250709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 698756 + ... + 733844.

Almost surely, 2^25134250700 is an apocalyptic number.

25134250700 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 25134250700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31981026000).

25134250700 is an abundant number, since it is smaller than the sum of its proper divisors (38827801300).

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

25134250700 is a wasteful number, since it uses less digits than its factorization.

25134250700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35164 (or 35157 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

Adding to 25134250700 its reverse (705243152), we get a palindrome (25839493852).

The spelling of 25134250700 in words is "twenty-five billion, one hundred thirty-four million, two hundred fifty thousand, seven hundred".