2152782500 has 60 divisors (see below), whose sum is σ = 5135743536. Its totient is φ = 782820000.

The previous prime is 2152782493. The next prime is 2152782553. The reversal of 2152782500 is 52872512.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11642 + ... + 66641.

Almost surely, 2^2152782500 is an apocalyptic number.

2152782500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152782500 is an abundant number, since it is smaller than the sum of its proper divisors (2982961036).

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

2152782500 is a wasteful number, since it uses less digits than its factorization.

2152782500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78318 (or 78301 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 2152782500 is about 46398.0872450579. The cubic root of 2152782500 is about 1291.2194266153.

The spelling of 2152782500 in words is "two billion, one hundred fifty-two million, seven hundred eighty-two thousand, five hundred".