253884109 has 2 divisors, whose sum is σ = 253884110. Its totient is φ = 253884108.

The previous prime is 253884107. The next prime is 253884119. The reversal of 253884109 is 901488352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231131209 + 22752900 = 15203^2 + 4770^2 .

It is a cyclic number.

It is not a de Polignac number, because 253884109 - 2¹ = 253884107 is a prime.

Together with 253884107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253884107) 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 as a sum of consecutive naturals, namely, 126942054 + 126942055.

It is an arithmetic number, because the mean of its divisors is an integer number (126942055).

Almost surely, 2^253884109 is an apocalyptic number.

It is an amenable number.

253884109 is a deficient number, since it is larger than the sum of its proper divisors (1).

253884109 is an equidigital number, since it uses as much as digits as its factorization.

253884109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 253884109 is about 15933.7412116552. The cubic root of 253884109 is about 633.2062208117.

The spelling of 253884109 in words is "two hundred fifty-three million, eight hundred eighty-four thousand, one hundred nine".