240825811 has 2 divisors, whose sum is σ = 240825812. Its totient is φ = 240825810.

The previous prime is 240825803. The next prime is 240825821. The reversal of 240825811 is 118528042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 240825811 - 2³ = 240825803 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (240825821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120412905 + 120412906.

It is an arithmetic number, because the mean of its divisors is an integer number (120412906).

Almost surely, 2^240825811 is an apocalyptic number.

240825811 is a deficient number, since it is larger than the sum of its proper divisors (1).

240825811 is an equidigital number, since it uses as much as digits as its factorization.

240825811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 240825811 is about 15518.5634322253. The cubic root of 240825811 is about 622.1584593332.

The spelling of 240825811 in words is "two hundred forty million, eight hundred twenty-five thousand, eight hundred eleven".