253143013 has 4 divisors (see below), whose sum is σ = 253510048. Its totient is φ = 252775980.

The previous prime is 253142977. The next prime is 253143029. The reversal of 253143013 is 310341352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253143013 - 2¹³ = 253134821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253153013) 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 3 ways as a sum of consecutive naturals, for example, 182481 + ... + 183862.

It is an arithmetic number, because the mean of its divisors is an integer number (63377512).

Almost surely, 2^253143013 is an apocalyptic number.

It is an amenable number.

253143013 is a deficient number, since it is larger than the sum of its proper divisors (367035).

253143013 is an equidigital number, since it uses as much as digits as its factorization.

253143013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367034.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 253143013 is about 15910.4686606021. The cubic root of 253143013 is about 632.5895038081.

Adding to 253143013 its reverse (310341352), we get a palindrome (563484365).

The spelling of 253143013 in words is "two hundred fifty-three million, one hundred forty-three thousand, thirteen".