427021313 has 2 divisors, whose sum is σ = 427021314. Its totient is φ = 427021312.

The previous prime is 427021303. The next prime is 427021319. The reversal of 427021313 is 313120724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332989504 + 94031809 = 18248^2 + 9697^2 .

It is a cyclic number.

It is not a de Polignac number, because 427021313 - 2⁴ = 427021297 is a prime.

It is not a weakly prime, because it can be changed into another prime (427021319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213510656 + 213510657.

It is an arithmetic number, because the mean of its divisors is an integer number (213510657).

Almost surely, 2^427021313 is an apocalyptic number.

It is an amenable number.

427021313 is a deficient number, since it is larger than the sum of its proper divisors (1).

427021313 is an equidigital number, since it uses as much as digits as its factorization.

427021313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 427021313 is about 20664.4940175171. The cubic root of 427021313 is about 753.0373497003.

The spelling of 427021313 in words is "four hundred twenty-seven million, twenty-one thousand, three hundred thirteen".