253672241 has 2 divisors, whose sum is σ = 253672242. Its totient is φ = 253672240.

The previous prime is 253672229. The next prime is 253672247. The reversal of 253672241 is 142276352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 132342016 + 121330225 = 11504^2 + 11015^2 .

It is a cyclic number.

It is not a de Polignac number, because 253672241 - 2¹⁸ = 253410097 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 253672198 and 253672207.

It is not a weakly prime, because it can be changed into another prime (253672247) 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, 126836120 + 126836121.

It is an arithmetic number, because the mean of its divisors is an integer number (126836121).

Almost surely, 2^253672241 is an apocalyptic number.

It is an amenable number.

253672241 is a deficient number, since it is larger than the sum of its proper divisors (1).

253672241 is an equidigital number, since it uses as much as digits as its factorization.

253672241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 253672241 is about 15927.0914168281. The cubic root of 253672241 is about 633.0300335065.

The spelling of 253672241 in words is "two hundred fifty-three million, six hundred seventy-two thousand, two hundred forty-one".