2545101200 has 120 divisors (see below), whose sum is σ = 6345644448. Its totient is φ = 980259840.

The previous prime is 2545101187. The next prime is 2545101211. The reversal of 2545101200 is 21015452.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1254587 + ... + 1256613.

Almost surely, 2^2545101200 is an apocalyptic number.

2545101200 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 2545101200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3172822224).

2545101200 is an abundant number, since it is smaller than the sum of its proper divisors (3800543248).

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

2545101200 is a wasteful number, since it uses less digits than its factorization.

2545101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2150 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2545101200 is about 50448.9960256892. The cubic root of 2545101200 is about 1365.3217809547.

Adding to 2545101200 its reverse (21015452), we get a palindrome (2566116652).

The spelling of 2545101200 in words is "two billion, five hundred forty-five million, one hundred one thousand, two hundred".