2104521000 has 64 divisors (see below), whose sum is σ = 6566114880. Its totient is φ = 561204800.

The previous prime is 2104520993. The next prime is 2104521019. The reversal of 2104521000 is 1254012.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347754 + ... + 353753.

It is an arithmetic number, because the mean of its divisors is an integer number (102595545).

Almost surely, 2^2104521000 is an apocalyptic number.

2104521000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104521000 is an abundant number, since it is smaller than the sum of its proper divisors (4461593880).

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

2104521000 is a wasteful number, since it uses less digits than its factorization.

2104521000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701531 (or 701517 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 2104521000 is about 45875.0585830689. The cubic root of 2104521000 is about 1281.4974743069.

Adding to 2104521000 its reverse (1254012), we get a palindrome (2105775012).

The spelling of 2104521000 in words is "two billion, one hundred four million, five hundred twenty-one thousand".