253305241 has 4 divisors (see below), whose sum is σ = 289491712. Its totient is φ = 217118772.

The previous prime is 253305229. The next prime is 253305263. The reversal of 253305241 is 142503352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 253305241 - 2¹⁹ = 252780953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253305211) 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 in 3 ways as a sum of consecutive naturals, for example, 18093225 + ... + 18093238.

It is an arithmetic number, because the mean of its divisors is an integer number (72372928).

Almost surely, 2^253305241 is an apocalyptic number.

It is an amenable number.

253305241 is a deficient number, since it is larger than the sum of its proper divisors (36186471).

253305241 is an equidigital number, since it uses as much as digits as its factorization.

253305241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36186470.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 253305241 is about 15915.5659968472. The cubic root of 253305241 is about 632.7246076957.

Adding to 253305241 its reverse (142503352), we get a palindrome (395808593).

The spelling of 253305241 in words is "two hundred fifty-three million, three hundred five thousand, two hundred forty-one".