252312005 has 8 divisors (see below), whose sum is σ = 330299424. Its totient is φ = 183499600.

The previous prime is 252311999. The next prime is 252312041. The reversal of 252312005 is 500213252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252312005 - 2²⁶ = 185203141 is a prime.

It is a super-2 number, since 2×252312005² = 127322695734240050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2293691 + ... + 2293800.

It is an arithmetic number, because the mean of its divisors is an integer number (41287428).

Almost surely, 2^252312005 is an apocalyptic number.

It is an amenable number.

252312005 is a deficient number, since it is larger than the sum of its proper divisors (77987419).

252312005 is a wasteful number, since it uses less digits than its factorization.

252312005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587507.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 252312005 is about 15884.3320602410. The cubic root of 252312005 is about 631.8965315914.

Adding to 252312005 its reverse (500213252), we get a palindrome (752525257).

The spelling of 252312005 in words is "two hundred fifty-two million, three hundred twelve thousand, five".