253321203 has 8 divisors (see below), whose sum is σ = 346890448. Its totient is φ = 164316384.

The previous prime is 253321193. The next prime is 253321249. The reversal of 253321203 is 302123352.

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

It is not a de Polignac number, because 253321203 - 2¹² = 253317107 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 253321203.

It is not an unprimeable number, because it can be changed into a prime (253321273) by changing a digit.

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, 1140976 + ... + 1141197.

It is an arithmetic number, because the mean of its divisors is an integer number (43361306).

Almost surely, 2^253321203 is an apocalyptic number.

253321203 is a deficient number, since it is larger than the sum of its proper divisors (93569245).

253321203 is a wasteful number, since it uses less digits than its factorization.

253321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282213.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 253321203 is about 15916.0674477083. The cubic root of 253321203 is about 632.7378977722.

Adding to 253321203 its reverse (302123352), we get a palindrome (555444555).

The spelling of 253321203 in words is "two hundred fifty-three million, three hundred twenty-one thousand, two hundred three".