2102542600 has 24 divisors (see below), whose sum is σ = 4888412010. Its totient is φ = 841016960.

The previous prime is 2102542513. The next prime is 2102542657. The reversal of 2102542600 is 62452012.

It can be written as a sum of positive squares in 3 ways, for example, as 1486410916 + 616131684 = 38554^2 + 24822^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5256157 + ... + 5256556.

Almost surely, 2^2102542600 is an apocalyptic number.

2102542600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102542600 is an abundant number, since it is smaller than the sum of its proper divisors (2785869410).

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

2102542600 is a wasteful number, since it uses less digits than its factorization.

2102542600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10512729 (or 10512720 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2102542600 is about 45853.4905977724. The cubic root of 2102542600 is about 1281.0957820331.

Adding to 2102542600 its reverse (62452012), we get a palindrome (2164994612).

The spelling of 2102542600 in words is "two billion, one hundred two million, five hundred forty-two thousand, six hundred".