253143320 has 32 divisors (see below), whose sum is σ = 589215600. Its totient is φ = 97765248.

The previous prime is 253143299. The next prime is 253143361. The reversal of 253143320 is 23341352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107954 + ... + 110273.

Almost surely, 2^253143320 is an apocalyptic number.

253143320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253143320 is an abundant number, since it is smaller than the sum of its proper divisors (336072280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253143320 is a wasteful number, since it uses less digits than its factorization.

253143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218267 (or 218263 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 253143320 is about 15910.4783083350. The cubic root of 253143320 is about 632.5897595330.

Adding to 253143320 its reverse (23341352), we get a palindrome (276484672).

The spelling of 253143320 in words is "two hundred fifty-three million, one hundred forty-three thousand, three hundred twenty".