253403241 has 32 divisors (see below), whose sum is σ = 440310528. Its totient is φ = 125798400.

The previous prime is 253403237. The next prime is 253403261. The reversal of 253403241 is 142304352.

It is not a de Polignac number, because 253403241 - 2² = 253403237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253403261) 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 31 ways as a sum of consecutive naturals, for example, 22660 + ... + 31941.

It is an arithmetic number, because the mean of its divisors is an integer number (13759704).

Almost surely, 2^253403241 is an apocalyptic number.

253403241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

253403241 is a deficient number, since it is larger than the sum of its proper divisors (186907287).

253403241 is a wasteful number, since it uses less digits than its factorization.

253403241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54641.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 253403241 is about 15918.6444460576. The cubic root of 253403241 is about 632.8061943965.

Adding to 253403241 its reverse (142304352), we get a palindrome (395707593).

The spelling of 253403241 in words is "two hundred fifty-three million, four hundred three thousand, two hundred forty-one".