14240857 has 2 divisors, whose sum is σ = 14240858. Its totient is φ = 14240856.

The previous prime is 14240851. The next prime is 14240903. The reversal of 14240857 is 75804241.

14240857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11587216 + 2653641 = 3404^2 + 1629^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14240857 is a prime.

It is not a weakly prime, because it can be changed into another prime (14240851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7120428 + 7120429.

It is an arithmetic number, because the mean of its divisors is an integer number (7120429).

Almost surely, 2^14240857 is an apocalyptic number.

It is an amenable number.

14240857 is a deficient number, since it is larger than the sum of its proper divisors (1).

14240857 is an equidigital number, since it uses as much as digits as its factorization.

14240857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 14240857 is about 3773.7060033871. The cubic root of 14240857 is about 242.3885171486.

The spelling of 14240857 in words is "fourteen million, two hundred forty thousand, eight hundred fifty-seven".