245676811 has 2 divisors, whose sum is σ = 245676812. Its totient is φ = 245676810.

The previous prime is 245676793. The next prime is 245676817. The reversal of 245676811 is 118676542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245676811 - 2⁵ = 245676779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (245676817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122838405 + 122838406.

It is an arithmetic number, because the mean of its divisors is an integer number (122838406).

Almost surely, 2^245676811 is an apocalyptic number.

245676811 is a deficient number, since it is larger than the sum of its proper divisors (1).

245676811 is an equidigital number, since it uses as much as digits as its factorization.

245676811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 245676811 is about 15674.0808661944. The cubic root of 245676811 is about 626.3081388462.

The spelling of 245676811 in words is "two hundred forty-five million, six hundred seventy-six thousand, eight hundred eleven".