2500100 has 36 divisors (see below), whose sum is σ = 5666304. Its totient is φ = 955680.

The previous prime is 2500097. The next prime is 2500109. The reversal of 2500100 is 10052.

It is not an unprimeable number, because it can be changed into a prime (2500109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1757 + ... + 2843.

2^2500100 is an apocalyptic number.

2500100 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 2500100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2833152).

2500100 is an abundant number, since it is smaller than the sum of its proper divisors (3166204).

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

2500100 is a wasteful number, since it uses less digits than its factorization.

2500100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 8.

The square root of 2500100 is about 1581.1704525446. The cubic root of 2500100 is about 135.7226904174.

Adding to 2500100 its reverse (10052), we get a palindrome (2510152).

The spelling of 2500100 in words is "two million, five hundred thousand, one hundred".