2164524025 has 6 divisors (see below), whose sum is σ = 2684009822. Its totient is φ = 1731619200.

The previous prime is 2164523987. The next prime is 2164524059. The reversal of 2164524025 is 5204254612.

It can be written as a sum of positive squares in 3 ways, for example, as 196448256 + 1968075769 = 14016^2 + 44363^2 .

It is not a de Polignac number, because 2164524025 - 2⁷ = 2164523897 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 43290456 + ... + 43290505.

Almost surely, 2^2164524025 is an apocalyptic number.

2164524025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2164524025 is a deficient number, since it is larger than the sum of its proper divisors (519485797).

2164524025 is an equidigital number, since it uses as much as digits as its factorization.

2164524025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86580971 (or 86580966 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2164524025 is about 46524.4454561255. The cubic root of 2164524025 is about 1293.5626584280.

Adding to 2164524025 its reverse (5204254612), we get a palindrome (7368778637).

The spelling of 2164524025 in words is "two billion, one hundred sixty-four million, five hundred twenty-four thousand, twenty-five".