241660013 has 6 divisors (see below), whose sum is σ = 281114766. Its totient is φ = 207137112.

The previous prime is 241659997. The next prime is 241660021. The reversal of 241660013 is 310066142.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 162129289 + 79530724 = 12733^2 + 8918^2 .

It is not a de Polignac number, because 241660013 - 2⁴ = 241659997 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 (241660033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2465870 + ... + 2465967.

It is an arithmetic number, because the mean of its divisors is an integer number (46852461).

Almost surely, 2^241660013 is an apocalyptic number.

It is an amenable number.

241660013 is a deficient number, since it is larger than the sum of its proper divisors (39454753).

241660013 is an equidigital number, since it uses as much as digits as its factorization.

241660013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931851 (or 4931844 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 241660013 is about 15545.4177492919. The cubic root of 241660013 is about 622.8760010758.

The spelling of 241660013 in words is "two hundred forty-one million, six hundred sixty thousand, thirteen".