2530045100 has 72 divisors (see below), whose sum is σ = 6102453168. Its totient is φ = 902636800.

The previous prime is 2530045099. The next prime is 2530045121. The reversal of 2530045100 is 15400352.

It is a super-2 number, since 2×2530045100² = 12802256416068020000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

2530045100 is a modest number, since divided by 45100 gives 25300 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36602 + ... + 79998.

It is an arithmetic number, because the mean of its divisors is an integer number (84756294).

Almost surely, 2^2530045100 is an apocalyptic number.

2530045100 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 2530045100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3051226584).

2530045100 is an abundant number, since it is smaller than the sum of its proper divisors (3572408068).

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

2530045100 is a wasteful number, since it uses less digits than its factorization.

2530045100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43475 (or 43468 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2530045100 is about 50299.5536759522. The cubic root of 2530045100 is about 1362.6241684667.

Adding to 2530045100 its reverse (15400352), we get a palindrome (2545445452).

The spelling of 2530045100 in words is "two billion, five hundred thirty million, forty-five thousand, one hundred".