2051357100 has 144 divisors (see below), whose sum is σ = 6548226720. Its totient is φ = 492595200.

The previous prime is 2051357069. The next prime is 2051357101. The reversal of 2051357100 is 17531502.

It is not an unprimeable number, because it can be changed into a prime (2051357101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 153486 + ... + 166314.

Almost surely, 2^2051357100 is an apocalyptic number.

2051357100 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 2051357100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3274113360).

2051357100 is an abundant number, since it is smaller than the sum of its proper divisors (4496869620).

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

2051357100 is a wasteful number, since it uses less digits than its factorization.

2051357100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12900 (or 12893 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 2051357100 is about 45291.9098736187. The cubic root of 2051357100 is about 1270.6143513277.

Adding to 2051357100 its reverse (17531502), we get a palindrome (2068888602).

The spelling of 2051357100 in words is "two billion, fifty-one million, three hundred fifty-seven thousand, one hundred".