2152281305 has 16 divisors (see below), whose sum is σ = 2678317824. Its totient is φ = 1659009600.

The previous prime is 2152281301. The next prime is 2152281323. The reversal of 2152281305 is 5031822512.

It is not a de Polignac number, because 2152281305 - 2² = 2152281301 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152281301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37421 + ... + 75530.

It is an arithmetic number, because the mean of its divisors is an integer number (167394864).

Almost surely, 2^2152281305 is an apocalyptic number.

It is an amenable number.

2152281305 is a deficient number, since it is larger than the sum of its proper divisors (526036519).

2152281305 is a wasteful number, since it uses less digits than its factorization.

2152281305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113096.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 2152281305 is about 46392.6858998269. The cubic root of 2152281305 is about 1291.1192147657.

The spelling of 2152281305 in words is "two billion, one hundred fifty-two million, two hundred eighty-one thousand, three hundred five".