253011133 has 2 divisors, whose sum is σ = 253011134. Its totient is φ = 253011132.

The previous prime is 253011131. The next prime is 253011139. The reversal of 253011133 is 331110352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 186131449 + 66879684 = 13643^2 + 8178^2 .

It is a cyclic number.

It is not a de Polignac number, because 253011133 - 2¹ = 253011131 is a prime.

Together with 253011131, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 253011133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253011131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126505566 + 126505567.

It is an arithmetic number, because the mean of its divisors is an integer number (126505567).

Almost surely, 2^253011133 is an apocalyptic number.

It is an amenable number.

253011133 is a deficient number, since it is larger than the sum of its proper divisors (1).

253011133 is an equidigital number, since it uses as much as digits as its factorization.

253011133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 253011133 is about 15906.3236795936. The cubic root of 253011133 is about 632.4796312708.

Adding to 253011133 its reverse (331110352), we get a palindrome (584121485).

The spelling of 253011133 in words is "two hundred fifty-three million, eleven thousand, one hundred thirty-three".