253005303 has 8 divisors (see below), whose sum is σ = 340680816. Its totient is φ = 167000000.

The previous prime is 253005293. The next prime is 253005317. The reversal of 253005303 is 303500352.

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

It is a cyclic number.

It is not a de Polignac number, because 253005303 - 2⁴ = 253005287 is a prime.

It is a super-2 number, since 2×253005303² = 128023366692243618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253005303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253007303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417198 + ... + 417803.

It is an arithmetic number, because the mean of its divisors is an integer number (42585102).

Almost surely, 2^253005303 is an apocalyptic number.

253005303 is a deficient number, since it is larger than the sum of its proper divisors (87675513).

253005303 is a wasteful number, since it uses less digits than its factorization.

253005303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835105.

The product of its (nonzero) digits is 1350, while the sum is 21.

The square root of 253005303 is about 15906.1404180901. The cubic root of 253005303 is about 632.4747732704.

Adding to 253005303 its reverse (303500352), we get a palindrome (556505655).

It can be divided in two parts, 25300 and 5303, that added together give a palindrome (30603).

The spelling of 253005303 in words is "two hundred fifty-three million, five thousand, three hundred three".