2163525508 has 18 divisors (see below), whose sum is σ = 3858974714. Its totient is φ = 1061346624.

The previous prime is 2163525493. The next prime is 2163525523. The reversal of 2163525508 is 8055253612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2163525493) and next prime (2163525523).

It can be written as a sum of positive squares in 3 ways, for example, as 1194946624 + 968578884 = 34568^2 + 31122^2 .

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, 85041 + ... + 107512.

Almost surely, 2^2163525508 is an apocalyptic number.

It is an amenable number.

2163525508 is a deficient number, since it is larger than the sum of its proper divisors (1695449206).

2163525508 is a wasteful number, since it uses less digits than its factorization.

2163525508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192663 (or 192608 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 2163525508 is about 46513.7131177463. The cubic root of 2163525508 is about 1293.3637166195.

The spelling of 2163525508 in words is "two billion, one hundred sixty-three million, five hundred twenty-five thousand, five hundred eight".