2500250004 has 120 divisors (see below), whose sum is σ = 7489160448. Its totient is φ = 712514880.

The previous prime is 2500250003. The next prime is 2500250009. The reversal of 2500250004 is 4000520052.

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 (2500250003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1048894 + ... + 1051274.

Almost surely, 2^2500250004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2500250004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3744580224).

2500250004 is an abundant number, since it is smaller than the sum of its proper divisors (4988910444).

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

2500250004 is a wasteful number, since it uses less digits than its factorization.

2500250004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2867 (or 2856 counting only the distinct ones).

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

The square root of 2500250004 is about 50002.4999775011. The cubic root of 2500250004 is about 1357.2540478069.

2500250004 divided by its sum of digits (18) gives a triangular number (138902778 = T₁₆₆₆₇).

Adding to 2500250004 its reverse (4000520052), we get a palindrome (6500770056).

The spelling of 2500250004 in words is "two billion, five hundred million, two hundred fifty thousand, four".