434401081 has 2 divisors, whose sum is σ = 434401082. Its totient is φ = 434401080.

The previous prime is 434401057. The next prime is 434401141. The reversal of 434401081 is 180104434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 434305600 + 95481 = 20840^2 + 309^2 .

It is a cyclic number.

It is not a de Polignac number, because 434401081 - 2⁵ = 434401049 is a prime.

It is a super-2 number, since 2×434401081² = 377408598347937122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (434441081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 217200540 + 217200541.

It is an arithmetic number, because the mean of its divisors is an integer number (217200541).

Almost surely, 2^434401081 is an apocalyptic number.

It is an amenable number.

434401081 is a deficient number, since it is larger than the sum of its proper divisors (1).

434401081 is an equidigital number, since it uses as much as digits as its factorization.

434401081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 434401081 is about 20842.2906850471. The cubic root of 434401081 is about 757.3505859750.

It can be divided in two parts, 43440 and 1081, that added together give a square (44521 = 211²).

The spelling of 434401081 in words is "four hundred thirty-four million, four hundred one thousand, eighty-one".