241263553 has 4 divisors (see below), whose sum is σ = 241791940. Its totient is φ = 240735168.

The previous prime is 241263523. The next prime is 241263587. The reversal of 241263553 is 355362142.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 355362142 = 2 ⋅177681071.

It can be written as a sum of positive squares in 2 ways, for example, as 225991089 + 15272464 = 15033^2 + 3908^2 .

It is a cyclic number.

It is not a de Polignac number, because 241263553 - 2⁵ = 241263521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241263523) 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, 263508 + ... + 264421.

It is an arithmetic number, because the mean of its divisors is an integer number (60447985).

Almost surely, 2^241263553 is an apocalyptic number.

It is an amenable number.

241263553 is a deficient number, since it is larger than the sum of its proper divisors (528387).

241263553 is an equidigital number, since it uses as much as digits as its factorization.

241263553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528386.

The product of its digits is 21600, while the sum is 31.

The square root of 241263553 is about 15532.6608473886. The cubic root of 241263553 is about 622.5351908838.

The spelling of 241263553 in words is "two hundred forty-one million, two hundred sixty-three thousand, five hundred fifty-three".