434425657 has 2 divisors, whose sum is σ = 434425658. Its totient is φ = 434425656.

The previous prime is 434425639. The next prime is 434425681. The reversal of 434425657 is 756524434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380094016 + 54331641 = 19496^2 + 7371^2 .

It is a cyclic number.

It is not a de Polignac number, because 434425657 - 2²³ = 426037049 is a prime.

It is not a weakly prime, because it can be changed into another prime (434425687) 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, 217212828 + 217212829.

It is an arithmetic number, because the mean of its divisors is an integer number (217212829).

Almost surely, 2^434425657 is an apocalyptic number.

It is an amenable number.

434425657 is a deficient number, since it is larger than the sum of its proper divisors (1).

434425657 is an equidigital number, since it uses as much as digits as its factorization.

434425657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 40.

The square root of 434425657 is about 20842.8802472211. The cubic root of 434425657 is about 757.3648679353.

The spelling of 434425657 in words is "four hundred thirty-four million, four hundred twenty-five thousand, six hundred fifty-seven".