2152451300 has 18 divisors (see below), whose sum is σ = 4670819538. Its totient is φ = 860980480.

The previous prime is 2152451293. The next prime is 2152451341. The reversal of 2152451300 is 31542512.

It can be written as a sum of positive squares in 3 ways, for example, as 207994084 + 1944457216 = 14422^2 + 44096^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10762157 + ... + 10762356.

Almost surely, 2^2152451300 is an apocalyptic number.

2152451300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152451300 is an abundant number, since it is smaller than the sum of its proper divisors (2518368238).

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

2152451300 is a wasteful number, since it uses less digits than its factorization.

2152451300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21524527 (or 21524520 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2152451300 is about 46394.5179951252. The cubic root of 2152451300 is about 1291.1532063002.

Adding to 2152451300 its reverse (31542512), we get a palindrome (2183993812).

The spelling of 2152451300 in words is "two billion, one hundred fifty-two million, four hundred fifty-one thousand, three hundred".