2253512100 has 144 divisors (see below), whose sum is σ = 7843942400. Its totient is φ = 487969920.

The previous prime is 2253512099. The next prime is 2253512113. The reversal of 2253512100 is 12153522.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11661 + ... + 68139.

Almost surely, 2^2253512100 is an apocalyptic number.

2253512100 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 2253512100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3921971200).

2253512100 is an abundant number, since it is smaller than the sum of its proper divisors (5590430300).

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

2253512100 is a wasteful number, since it uses less digits than its factorization.

2253512100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56522 (or 56515 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2253512100 is about 47471.1712516133. The cubic root of 2253512100 is about 1311.0521430968.

Adding to 2253512100 its reverse (12153522), we get a palindrome (2265665622).

The spelling of 2253512100 in words is "two billion, two hundred fifty-three million, five hundred twelve thousand, one hundred".