427680601 has 2 divisors, whose sum is σ = 427680602. Its totient is φ = 427680600.

The previous prime is 427680599. The next prime is 427680697. The reversal of 427680601 is 106086724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 404975376 + 22705225 = 20124^2 + 4765^2 .

It is a cyclic number.

It is not a de Polignac number, because 427680601 - 2¹ = 427680599 is a prime.

Together with 427680599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (427680901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213840300 + 213840301.

It is an arithmetic number, because the mean of its divisors is an integer number (213840301).

Almost surely, 2^427680601 is an apocalyptic number.

It is an amenable number.

427680601 is a deficient number, since it is larger than the sum of its proper divisors (1).

427680601 is an equidigital number, since it uses as much as digits as its factorization.

427680601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 427680601 is about 20680.4400581806. The cubic root of 427680601 is about 753.4246943043.

The spelling of 427680601 in words is "four hundred twenty-seven million, six hundred eighty thousand, six hundred one".