241621013 has 2 divisors, whose sum is σ = 241621014. Its totient is φ = 241621012.

The previous prime is 241620997. The next prime is 241621019. The reversal of 241621013 is 310126142.

241621013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216148804 + 25472209 = 14702^2 + 5047^2 .

It is a cyclic number.

It is not a de Polignac number, because 241621013 - 2⁴ = 241620997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (241621019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120810506 + 120810507.

It is an arithmetic number, because the mean of its divisors is an integer number (120810507).

Almost surely, 2^241621013 is an apocalyptic number.

It is an amenable number.

241621013 is a deficient number, since it is larger than the sum of its proper divisors (1).

241621013 is an equidigital number, since it uses as much as digits as its factorization.

241621013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 241621013 is about 15544.1633097443. The cubic root of 241621013 is about 622.8424919174.

Adding to 241621013 its reverse (310126142), we get a palindrome (551747155).

The spelling of 241621013 in words is "two hundred forty-one million, six hundred twenty-one thousand, thirteen".