241553921 has 8 divisors (see below), whose sum is σ = 279164160. Its totient is φ = 204719328.

The previous prime is 241553911. The next prime is 241553929. The reversal of 241553921 is 129355142.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-241553921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (241553929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193241 + ... + 194486.

It is an arithmetic number, because the mean of its divisors is an integer number (34895520).

Almost surely, 2^241553921 is an apocalyptic number.

It is an amenable number.

241553921 is a deficient number, since it is larger than the sum of its proper divisors (37610239).

241553921 is an equidigital number, since it uses as much as digits as its factorization.

241553921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387823.

The product of its digits is 10800, while the sum is 32.

The square root of 241553921 is about 15542.0050508292. The cubic root of 241553921 is about 622.7848374164.

The spelling of 241553921 in words is "two hundred forty-one million, five hundred fifty-three thousand, nine hundred twenty-one".