427130897 has 2 divisors, whose sum is σ = 427130898. Its totient is φ = 427130896.

The previous prime is 427130863. The next prime is 427130969. The reversal of 427130897 is 798031724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255232576 + 171898321 = 15976^2 + 13111^2 .

It is a cyclic number.

It is not a de Polignac number, because 427130897 - 2⁶ = 427130833 is a prime.

It is not a weakly prime, because it can be changed into another prime (427130827) 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, 213565448 + 213565449.

It is an arithmetic number, because the mean of its divisors is an integer number (213565449).

Almost surely, 2^427130897 is an apocalyptic number.

It is an amenable number.

427130897 is a deficient number, since it is larger than the sum of its proper divisors (1).

427130897 is an equidigital number, since it uses as much as digits as its factorization.

427130897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 427130897 is about 20667.1453519832. The cubic root of 427130897 is about 753.1017600583.

The spelling of 427130897 in words is "four hundred twenty-seven million, one hundred thirty thousand, eight hundred ninety-seven".