240738461 has 2 divisors, whose sum is σ = 240738462. Its totient is φ = 240738460.

The previous prime is 240738439. The next prime is 240738481. The reversal of 240738461 is 164837042.

240738461 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., 237745561 + 2992900 = 15419^2 + 1730^2 .

It is a cyclic number.

It is not a de Polignac number, because 240738461 - 2⁶ = 240738397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240738481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120369230 + 120369231.

It is an arithmetic number, because the mean of its divisors is an integer number (120369231).

Almost surely, 2^240738461 is an apocalyptic number.

It is an amenable number.

240738461 is a deficient number, since it is larger than the sum of its proper divisors (1).

240738461 is an equidigital number, since it uses as much as digits as its factorization.

240738461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 240738461 is about 15515.7488056491. The cubic root of 240738461 is about 622.0832291449.

The spelling of 240738461 in words is "two hundred forty million, seven hundred thirty-eight thousand, four hundred sixty-one".