241345551 has 4 divisors (see below), whose sum is σ = 321794072. Its totient is φ = 160897032.

The previous prime is 241345537. The next prime is 241345567. The reversal of 241345551 is 155543142.

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

It is not a de Polignac number, because 241345551 - 2¹⁰ = 241344527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241345501) 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, 40224256 + ... + 40224261.

It is an arithmetic number, because the mean of its divisors is an integer number (80448518).

Almost surely, 2^241345551 is an apocalyptic number.

241345551 is a deficient number, since it is larger than the sum of its proper divisors (80448521).

241345551 is an equidigital number, since it uses as much as digits as its factorization.

241345551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80448520.

The product of its digits is 12000, while the sum is 30.

The square root of 241345551 is about 15535.3001580272. The cubic root of 241345551 is about 622.6057096975.

Adding to 241345551 its reverse (155543142), we get a palindrome (396888693).

The spelling of 241345551 in words is "two hundred forty-one million, three hundred forty-five thousand, five hundred fifty-one".