240245459 has 2 divisors, whose sum is σ = 240245460. Its totient is φ = 240245458.

The previous prime is 240245437. The next prime is 240245461. The reversal of 240245459 is 954542042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240245459 - 2¹⁶ = 240179923 is a prime.

Together with 240245461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240245659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120122729 + 120122730.

It is an arithmetic number, because the mean of its divisors is an integer number (120122730).

Almost surely, 2^240245459 is an apocalyptic number.

240245459 is a deficient number, since it is larger than the sum of its proper divisors (1).

240245459 is an equidigital number, since it uses as much as digits as its factorization.

240245459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 240245459 is about 15499.8535154368. The cubic root of 240245459 is about 621.6582896118.

The spelling of 240245459 in words is "two hundred forty million, two hundred forty-five thousand, four hundred fifty-nine".