813450427 has 2 divisors, whose sum is σ = 813450428. Its totient is φ = 813450426.

The previous prime is 813450409. The next prime is 813450437. The reversal of 813450427 is 724054318.

813450427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 813450427 - 2¹¹ = 813448379 is a prime.

It is a super-3 number, since 3×813450427³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 813450392 and 813450401.

It is not a weakly prime, because it can be changed into another prime (813450437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 406725213 + 406725214.

It is an arithmetic number, because the mean of its divisors is an integer number (406725214).

Almost surely, 2^813450427 is an apocalyptic number.

813450427 is a deficient number, since it is larger than the sum of its proper divisors (1).

813450427 is an equidigital number, since it uses as much as digits as its factorization.

813450427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 813450427 is about 28521.0523473451. The cubic root of 813450427 is about 933.4914914659.

The spelling of 813450427 in words is "eight hundred thirteen million, four hundred fifty thousand, four hundred twenty-seven".