252320005 has 32 divisors (see below), whose sum is σ = 372768768. Its totient is φ = 160142400.

The previous prime is 252319999. The next prime is 252320023. The reversal of 252320005 is 500023252.

It is not a de Polignac number, because 252320005 - 2⁷ = 252319877 is a prime.

It is a Duffinian number.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 19900 + ... + 30010.

It is an arithmetic number, because the mean of its divisors is an integer number (11649024).

Almost surely, 2^252320005 is an apocalyptic number.

It is an amenable number.

252320005 is a deficient number, since it is larger than the sum of its proper divisors (120448763).

252320005 is a wasteful number, since it uses less digits than its factorization.

252320005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10177.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 252320005 is about 15884.5838787171. The cubic root of 252320005 is about 631.9032099879.

Adding to 252320005 its reverse (500023252), we get a palindrome (752343257).

The spelling of 252320005 in words is "two hundred fifty-two million, three hundred twenty thousand, five".