240970109 has 2 divisors, whose sum is σ = 240970110. Its totient is φ = 240970108.

The previous prime is 240970097. The next prime is 240970117. The reversal of 240970109 is 901079042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 202492900 + 38477209 = 14230^2 + 6203^2 .

It is a cyclic number.

It is not a de Polignac number, because 240970109 - 2¹² = 240966013 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240970199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120485054 + 120485055.

It is an arithmetic number, because the mean of its divisors is an integer number (120485055).

Almost surely, 2^240970109 is an apocalyptic number.

It is an amenable number.

240970109 is a deficient number, since it is larger than the sum of its proper divisors (1).

240970109 is an equidigital number, since it uses as much as digits as its factorization.

240970109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 240970109 is about 15523.2119421207. The cubic root of 240970109 is about 622.2826961502.

The spelling of 240970109 in words is "two hundred forty million, nine hundred seventy thousand, one hundred nine".