253310241 has 4 divisors (see below), whose sum is σ = 337746992. Its totient is φ = 168873492.

The previous prime is 253310231. The next prime is 253310249. The reversal of 253310241 is 142013352.

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 not a de Polignac number, because 253310241 - 2¹⁵ = 253277473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253310249) 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, 42218371 + ... + 42218376.

It is an arithmetic number, because the mean of its divisors is an integer number (84436748).

Almost surely, 2^253310241 is an apocalyptic number.

It is an amenable number.

253310241 is a deficient number, since it is larger than the sum of its proper divisors (84436751).

253310241 is an equidigital number, since it uses as much as digits as its factorization.

253310241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84436750.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 253310241 is about 15915.7230749973. The cubic root of 253310241 is about 632.7287707919.

Adding to 253310241 its reverse (142013352), we get a palindrome (395323593).

The spelling of 253310241 in words is "two hundred fifty-three million, three hundred ten thousand, two hundred forty-one".