2154250100 has 36 divisors (see below), whose sum is σ = 4683387744. Its totient is φ = 860102880.

The previous prime is 2154250099. The next prime is 2154250103. The reversal of 2154250100 is 10524512.

2154250100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2154250103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35009 + ... + 74391.

It is an arithmetic number, because the mean of its divisors is an integer number (130094104).

Almost surely, 2^2154250100 is an apocalyptic number.

2154250100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2154250100 is an abundant number, since it is smaller than the sum of its proper divisors (2529137644).

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

2154250100 is a wasteful number, since it uses less digits than its factorization.

2154250100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39944 (or 39937 counting only the distinct ones).

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

The square root of 2154250100 is about 46413.8998576935. The cubic root of 2154250100 is about 1291.5127776891.

Adding to 2154250100 its reverse (10524512), we get a palindrome (2164774612).

The spelling of 2154250100 in words is "two billion, one hundred fifty-four million, two hundred fifty thousand, one hundred".