253143011 has 12 divisors (see below), whose sum is σ = 285773376. Its totient is φ = 223906320.

The previous prime is 253142977. The next prime is 253143029. The reversal of 253143011 is 110341352.

It is not a de Polignac number, because 253143011 - 2¹⁸ = 252880867 is a prime.

It is a super-2 number, since 2×253143011² = 128162768036292242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253143031) 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 11 ways as a sum of consecutive naturals, for example, 23795 + ... + 32748.

It is an arithmetic number, because the mean of its divisors is an integer number (23814448).

Almost surely, 2^253143011 is an apocalyptic number.

253143011 is a deficient number, since it is larger than the sum of its proper divisors (32630365).

253143011 is a wasteful number, since it uses less digits than its factorization.

253143011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56602 (or 56591 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 253143011 is about 15910.4685977504. The cubic root of 253143011 is about 632.5895021422.

Adding to 253143011 its reverse (110341352), we get a palindrome (363484363).

The spelling of 253143011 in words is "two hundred fifty-three million, one hundred forty-three thousand, eleven".