240171413 has 2 divisors, whose sum is σ = 240171414. Its totient is φ = 240171412.

The previous prime is 240171409. The next prime is 240171479. The reversal of 240171413 is 314171042.

It is a happy number.

240171413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237098404 + 3073009 = 15398^2 + 1753^2 .

It is a cyclic number.

It is not a de Polignac number, because 240171413 - 2² = 240171409 is a prime.

It is a Sophie Germain 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 (240171493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120085706 + 120085707.

It is an arithmetic number, because the mean of its divisors is an integer number (120085707).

Almost surely, 2^240171413 is an apocalyptic number.

It is an amenable number.

240171413 is a deficient number, since it is larger than the sum of its proper divisors (1).

240171413 is an equidigital number, since it uses as much as digits as its factorization.

240171413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 240171413 is about 15497.4647281418. The cubic root of 240171413 is about 621.5944159944.

The spelling of 240171413 in words is "two hundred forty million, one hundred seventy-one thousand, four hundred thirteen".