240870901 has 2 divisors, whose sum is σ = 240870902. Its totient is φ = 240870900.

The previous prime is 240870893. The next prime is 240870919. The reversal of 240870901 is 109078042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211004676 + 29866225 = 14526^2 + 5465^2 .

It is a cyclic number.

It is not a de Polignac number, because 240870901 - 2³ = 240870893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240870601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120435450 + 120435451.

It is an arithmetic number, because the mean of its divisors is an integer number (120435451).

Almost surely, 2^240870901 is an apocalyptic number.

It is an amenable number.

240870901 is a deficient number, since it is larger than the sum of its proper divisors (1).

240870901 is an equidigital number, since it uses as much as digits as its factorization.

240870901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 240870901 is about 15520.0161404555. The cubic root of 240870901 is about 622.1972859775.

The spelling of 240870901 in words is "two hundred forty million, eight hundred seventy thousand, nine hundred one".