241250021 has 8 divisors (see below), whose sum is σ = 242825688. Its totient is φ = 239680000.

The previous prime is 241250003. The next prime is 241250039. The reversal of 241250021 is 120052142.

It is an interprime number because it is at equal distance from previous prime (241250003) and next prime (241250039).

It can be written as a sum of positive squares in 4 ways, for example, as 193488100 + 47761921 = 13910^2 + 6911^2 .

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-241250021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (241270021) 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, 111611 + ... + 113751.

It is an arithmetic number, because the mean of its divisors is an integer number (30353211).

Almost surely, 2^241250021 is an apocalyptic number.

It is an amenable number.

241250021 is a deficient number, since it is larger than the sum of its proper divisors (1575667).

241250021 is a wasteful number, since it uses less digits than its factorization.

241250021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 241250021 is about 15532.2252430230. The cubic root of 241250021 is about 622.5235517398.

The spelling of 241250021 in words is "two hundred forty-one million, two hundred fifty thousand, twenty-one".