427020361 has 2 divisors, whose sum is σ = 427020362. Its totient is φ = 427020360.

The previous prime is 427020353. The next prime is 427020379. The reversal of 427020361 is 163020724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286455625 + 140564736 = 16925^2 + 11856^2 .

It is a cyclic number.

It is not a de Polignac number, because 427020361 - 2³ = 427020353 is a prime.

It is not a weakly prime, because it can be changed into another prime (427020761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213510180 + 213510181.

It is an arithmetic number, because the mean of its divisors is an integer number (213510181).

Almost surely, 2^427020361 is an apocalyptic number.

It is an amenable number.

427020361 is a deficient number, since it is larger than the sum of its proper divisors (1).

427020361 is an equidigital number, since it uses as much as digits as its factorization.

427020361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 427020361 is about 20664.4709828246. The cubic root of 427020361 is about 753.0367900935.

The spelling of 427020361 in words is "four hundred twenty-seven million, twenty thousand, three hundred sixty-one".