241215245 has 4 divisors (see below), whose sum is σ = 289458300. Its totient is φ = 192972192.

The previous prime is 241215229. The next prime is 241215277. The reversal of 241215245 is 542512142.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 117983044 + 123232201 = 10862^2 + 11101^2 .

It is a cyclic number.

It is not a de Polignac number, because 241215245 - 2⁴ = 241215229 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 24121520 + ... + 24121529.

It is an arithmetic number, because the mean of its divisors is an integer number (72364575).

Almost surely, 2^241215245 is an apocalyptic number.

It is an amenable number.

241215245 is a deficient number, since it is larger than the sum of its proper divisors (48243055).

241215245 is an equidigital number, since it uses as much as digits as its factorization.

241215245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48243054.

The product of its digits is 3200, while the sum is 26.

The square root of 241215245 is about 15531.1057236760. The cubic root of 241215245 is about 622.4936382096.

Adding to 241215245 its reverse (542512142), we get a palindrome (783727387).

The spelling of 241215245 in words is "two hundred forty-one million, two hundred fifteen thousand, two hundred forty-five".