253230505 has 8 divisors (see below), whose sum is σ = 331501824. Its totient is φ = 184167600.

The previous prime is 253230493. The next prime is 253230511. The reversal of 253230505 is 505032352.

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

It is not a de Polignac number, because 253230505 - 2¹¹ = 253228457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253230505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2302041 + ... + 2302150.

It is an arithmetic number, because the mean of its divisors is an integer number (41437728).

Almost surely, 2^253230505 is an apocalyptic number.

It is an amenable number.

253230505 is a deficient number, since it is larger than the sum of its proper divisors (78271319).

253230505 is a wasteful number, since it uses less digits than its factorization.

253230505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4604207.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 253230505 is about 15913.2179335293. The cubic root of 253230505 is about 632.6623745346.

Adding to 253230505 its reverse (505032352), we get a palindrome (758262857).

The spelling of 253230505 in words is "two hundred fifty-three million, two hundred thirty thousand, five hundred five".