240696791 has 2 divisors, whose sum is σ = 240696792. Its totient is φ = 240696790.

The previous prime is 240696787. The next prime is 240696793. The reversal of 240696791 is 197696042.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240696791 - 2² = 240696787 is a prime.

Together with 240696793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240696793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120348395 + 120348396.

It is an arithmetic number, because the mean of its divisors is an integer number (120348396).

Almost surely, 2^240696791 is an apocalyptic number.

240696791 is a deficient number, since it is larger than the sum of its proper divisors (1).

240696791 is an equidigital number, since it uses as much as digits as its factorization.

240696791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 240696791 is about 15514.4059183715. The cubic root of 240696791 is about 622.0473344457.

The spelling of 240696791 in words is "two hundred forty million, six hundred ninety-six thousand, seven hundred ninety-one".