425467811 has 2 divisors, whose sum is σ = 425467812. Its totient is φ = 425467810.

The previous prime is 425467781. The next prime is 425467813. The reversal of 425467811 is 118764524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425467811 - 2⁶ = 425467747 is a prime.

Together with 425467813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425467813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212733905 + 212733906.

It is an arithmetic number, because the mean of its divisors is an integer number (212733906).

Almost surely, 2^425467811 is an apocalyptic number.

425467811 is a deficient number, since it is larger than the sum of its proper divisors (1).

425467811 is an equidigital number, since it uses as much as digits as its factorization.

425467811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 38.

The square root of 425467811 is about 20626.8710908853. The cubic root of 425467811 is about 752.1230576825.

The spelling of 425467811 in words is "four hundred twenty-five million, four hundred sixty-seven thousand, eight hundred eleven".