2187508245 has 16 divisors (see below), whose sum is σ = 3769245312. Its totient is φ = 1076927040.

The previous prime is 2187508189. The next prime is 2187508283. The reversal of 2187508245 is 5428057812.

It is not a de Polignac number, because 2187508245 - 2¹² = 2187504149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2187508197 and 2187508206.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5608801 + ... + 5609190.

It is an arithmetic number, because the mean of its divisors is an integer number (235577832).

Almost surely, 2^2187508245 is an apocalyptic number.

It is an amenable number.

2187508245 is a deficient number, since it is larger than the sum of its proper divisors (1581737067).

2187508245 is a wasteful number, since it uses less digits than its factorization.

2187508245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11218012.

The product of its (nonzero) digits is 179200, while the sum is 42.

The square root of 2187508245 is about 46770.8054773488. The cubic root of 2187508245 is about 1298.1251563984.

The spelling of 2187508245 in words is "two billion, one hundred eighty-seven million, five hundred eight thousand, two hundred forty-five".