240749783 has 2 divisors, whose sum is σ = 240749784. Its totient is φ = 240749782.

The previous prime is 240749753. The next prime is 240749791. The reversal of 240749783 is 387947042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240749783 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 (240749753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120374891 + 120374892.

It is an arithmetic number, because the mean of its divisors is an integer number (120374892).

Almost surely, 2^240749783 is an apocalyptic number.

240749783 is a deficient number, since it is larger than the sum of its proper divisors (1).

240749783 is an equidigital number, since it uses as much as digits as its factorization.

240749783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 240749783 is about 15516.1136564541. The cubic root of 240749783 is about 622.0929812439.

The spelling of 240749783 in words is "two hundred forty million, seven hundred forty-nine thousand, seven hundred eighty-three".