2500025004 has 36 divisors (see below), whose sum is σ = 6321140280. Its totient is φ = 833126400.

The previous prime is 2500024931. The next prime is 2500025053. The reversal of 2500025004 is 4005200052.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197292 + ... + 209580.

It is an arithmetic number, because the mean of its divisors is an integer number (175587230).

Almost surely, 2^2500025004 is an apocalyptic number.

It is an amenable number.

2500025004 is an abundant number, since it is smaller than the sum of its proper divisors (3821115276).

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

2500025004 is a wasteful number, since it uses less digits than its factorization.

2500025004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17950 (or 17945 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2500025004 is about 50000.2500393748. The cubic root of 2500025004 is about 1357.2133330356.

Adding to 2500025004 its reverse (4005200052), we get a palindrome (6505225056).

The spelling of 2500025004 in words is "two billion, five hundred million, twenty-five thousand, four".