253140241 has 2 divisors, whose sum is σ = 253140242. Its totient is φ = 253140240.

The previous prime is 253140233. The next prime is 253140247. The reversal of 253140241 is 142041352.

253140241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155525841 + 97614400 = 12471^2 + 9880^2 .

It is a cyclic number.

It is not a de Polignac number, because 253140241 - 2³ = 253140233 is a prime.

It is a super-2 number, since 2×253140241² = 128159963227076162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (253140247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126570120 + 126570121.

It is an arithmetic number, because the mean of its divisors is an integer number (126570121).

Almost surely, 2^253140241 is an apocalyptic number.

It is an amenable number.

253140241 is a deficient number, since it is larger than the sum of its proper divisors (1).

253140241 is an equidigital number, since it uses as much as digits as its factorization.

253140241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 253140241 is about 15910.3815479076. The cubic root of 253140241 is about 632.5871947780.

Adding to 253140241 its reverse (142041352), we get a palindrome (395181593).

The spelling of 253140241 in words is "two hundred fifty-three million, one hundred forty thousand, two hundred forty-one".