63240811 has 2 divisors, whose sum is σ = 63240812. Its totient is φ = 63240810.

The previous prime is 63240791. The next prime is 63240841. The reversal of 63240811 is 11804236.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63240811 - 2⁹ = 63240299 is a prime.

It is not a weakly prime, because it can be changed into another prime (63240841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31620405 + 31620406.

It is an arithmetic number, because the mean of its divisors is an integer number (31620406).

Almost surely, 2^63240811 is an apocalyptic number.

63240811 is a deficient number, since it is larger than the sum of its proper divisors (1).

63240811 is an equidigital number, since it uses as much as digits as its factorization.

63240811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 63240811 is about 7952.4091318292. The cubic root of 63240811 is about 398.4120607139.

The spelling of 63240811 in words is "sixty-three million, two hundred forty thousand, eight hundred eleven".