426461081 has 2 divisors, whose sum is σ = 426461082. Its totient is φ = 426461080.

The previous prime is 426461059. The next prime is 426461093. The reversal of 426461081 is 180164624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295152400 + 131308681 = 17180^2 + 11459^2 .

It is a cyclic number.

It is not a de Polignac number, because 426461081 - 2¹⁰ = 426460057 is a prime.

It is a super-2 number, since 2×426461081² = 363738107215377122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (426461281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213230540 + 213230541.

It is an arithmetic number, because the mean of its divisors is an integer number (213230541).

Almost surely, 2^426461081 is an apocalyptic number.

It is an amenable number.

426461081 is a deficient number, since it is larger than the sum of its proper divisors (1).

426461081 is an equidigital number, since it uses as much as digits as its factorization.

426461081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 426461081 is about 20650.9341435200. The cubic root of 426461081 is about 752.7078889795.

The spelling of 426461081 in words is "four hundred twenty-six million, four hundred sixty-one thousand, eighty-one".