2100025504 has 48 divisors (see below), whose sum is σ = 4439365056. Its totient is φ = 974310400.

The previous prime is 2100025489. The next prime is 2100025547. The reversal of 2100025504 is 4055200012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11439 + ... + 65809.

It is an arithmetic number, because the mean of its divisors is an integer number (92486772).

Almost surely, 2^2100025504 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 2100025504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2219682528).

2100025504 is an abundant number, since it is smaller than the sum of its proper divisors (2339339552).

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

2100025504 is a wasteful number, since it uses less digits than its factorization.

2100025504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54469 (or 54461 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2100025504 is about 45826.0352201671. The cubic root of 2100025504 is about 1280.5843490762.

Adding to 2100025504 its reverse (4055200012), we get a palindrome (6155225516).

The spelling of 2100025504 in words is "two billion, one hundred million, twenty-five thousand, five hundred four".