253143133 has 4 divisors (see below), whose sum is σ = 254278528. Its totient is φ = 252007740.

The previous prime is 253143127. The next prime is 253143139. The reversal of 253143133 is 331341352.

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 an interprime number because it is at equal distance from previous prime (253143127) and next prime (253143139).

It is a cyclic number.

It is not a de Polignac number, because 253143133 - 2⁵ = 253143101 is a prime.

It is a super-3 number, since 3×253143133³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 253143098 and 253143107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253143139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567363 + ... + 567808.

It is an arithmetic number, because the mean of its divisors is an integer number (63569632).

Almost surely, 2^253143133 is an apocalyptic number.

It is an amenable number.

253143133 is a deficient number, since it is larger than the sum of its proper divisors (1135395).

253143133 is a wasteful number, since it uses less digits than its factorization.

253143133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135394.

The product of its digits is 3240, while the sum is 25.

The square root of 253143133 is about 15910.4724317036. The cubic root of 253143133 is about 632.5896037658.

Adding to 253143133 its reverse (331341352), we get a palindrome (584484485).

The spelling of 253143133 in words is "two hundred fifty-three million, one hundred forty-three thousand, one hundred thirty-three".