2025900100 has 81 divisors (see below), whose sum is σ = 5121916317. Its totient is φ = 693514080.

The previous prime is 2025900089. The next prime is 2025900103. The reversal of 2025900100 is 10095202.

The square root of 2025900100 is 45010.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 729324036 + 1296576064 = 27006^2 + 36008^2 .

It is not an unprimeable number, because it can be changed into a prime (2025900103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 3150379 + ... + 3151021.

Almost surely, 2^2025900100 is an apocalyptic number.

2025900100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

2025900100 is the 45010-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2025900100

2025900100 is an abundant number, since it is smaller than the sum of its proper divisors (3096016217).

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

2025900100 is an equidigital number, since it uses as much as digits as its factorization.

2025900100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The cubic root of 2025900100 is about 1265.3364204927.

Adding to 2025900100 its reverse (10095202), we get a palindrome (2035995302).

The spelling of 2025900100 in words is "two billion, twenty-five million, nine hundred thousand, one hundred".