253385513 has 2 divisors, whose sum is σ = 253385514. Its totient is φ = 253385512.

The previous prime is 253385497. The next prime is 253385519. The reversal of 253385513 is 315583352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233386729 + 19998784 = 15277^2 + 4472^2 .

It is a cyclic number.

It is not a de Polignac number, because 253385513 - 2⁴ = 253385497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (253385519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126692756 + 126692757.

It is an arithmetic number, because the mean of its divisors is an integer number (126692757).

Almost surely, 2^253385513 is an apocalyptic number.

It is an amenable number.

253385513 is a deficient number, since it is larger than the sum of its proper divisors (1).

253385513 is an equidigital number, since it uses as much as digits as its factorization.

253385513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 35.

The square root of 253385513 is about 15918.0876049857. The cubic root of 253385513 is about 632.7914370875.

The spelling of 253385513 in words is "two hundred fifty-three million, three hundred eighty-five thousand, five hundred thirteen".