253887853 has 2 divisors, whose sum is σ = 253887854. Its totient is φ = 253887852.

The previous prime is 253887791. The next prime is 253887871. The reversal of 253887853 is 358788352.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183277444 + 70610409 = 13538^2 + 8403^2 .

It is a cyclic number.

It is not a de Polignac number, because 253887853 - 2⁹ = 253887341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253887797 and 253887806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253887553) by changing a digit.

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 as a sum of consecutive naturals, namely, 126943926 + 126943927.

It is an arithmetic number, because the mean of its divisors is an integer number (126943927).

Almost surely, 2^253887853 is an apocalyptic number.

It is an amenable number.

253887853 is a deficient number, since it is larger than the sum of its proper divisors (1).

253887853 is an equidigital number, since it uses as much as digits as its factorization.

253887853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1612800, while the sum is 49.

The square root of 253887853 is about 15933.8586977543. The cubic root of 253887853 is about 633.2093334030.

The spelling of 253887853 in words is "two hundred fifty-three million, eight hundred eighty-seven thousand, eight hundred fifty-three".