428475601 has 2 divisors, whose sum is σ = 428475602. Its totient is φ = 428475600.

The previous prime is 428475581. The next prime is 428475611. The reversal of 428475601 is 106574824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 399960001 + 28515600 = 19999^2 + 5340^2 .

It is a cyclic number.

It is not a de Polignac number, because 428475601 - 2⁷ = 428475473 is a prime.

It is a super-2 number, since 2×428475601² = 367182681304622402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (428475611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214237800 + 214237801.

It is an arithmetic number, because the mean of its divisors is an integer number (214237801).

Almost surely, 2^428475601 is an apocalyptic number.

It is an amenable number.

428475601 is a deficient number, since it is larger than the sum of its proper divisors (1).

428475601 is an equidigital number, since it uses as much as digits as its factorization.

428475601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 428475601 is about 20699.6521951457. The cubic root of 428475601 is about 753.8912433108.

The spelling of 428475601 in words is "four hundred twenty-eight million, four hundred seventy-five thousand, six hundred one".