240041213 has 2 divisors, whose sum is σ = 240041214. Its totient is φ = 240041212.

The previous prime is 240041177. The next prime is 240041239. The reversal of 240041213 is 312140042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 188732644 + 51308569 = 13738^2 + 7163^2 .

It is a cyclic number.

It is not a de Polignac number, because 240041213 - 2¹⁰ = 240040189 is a prime.

It is a super-2 number, since 2×240041213² = 115239567877022738, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240041191 and 240041200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240041413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120020606 + 120020607.

It is an arithmetic number, because the mean of its divisors is an integer number (120020607).

Almost surely, 2^240041213 is an apocalyptic number.

It is an amenable number.

240041213 is a deficient number, since it is larger than the sum of its proper divisors (1).

240041213 is an equidigital number, since it uses as much as digits as its factorization.

240041213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 240041213 is about 15493.2634715866. The cubic root of 240041213 is about 621.4820709252.

Adding to 240041213 its reverse (312140042), we get a palindrome (552181255).

The spelling of 240041213 in words is "two hundred forty million, forty-one thousand, two hundred thirteen".