427530791 has 2 divisors, whose sum is σ = 427530792. Its totient is φ = 427530790.

The previous prime is 427530781. The next prime is 427530797. The reversal of 427530791 is 197035724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427530791 - 2¹⁴ = 427514407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427530797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213765395 + 213765396.

It is an arithmetic number, because the mean of its divisors is an integer number (213765396).

Almost surely, 2^427530791 is an apocalyptic number.

427530791 is a deficient number, since it is larger than the sum of its proper divisors (1).

427530791 is an equidigital number, since it uses as much as digits as its factorization.

427530791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 427530791 is about 20676.8177193687. The cubic root of 427530791 is about 753.3367129659.

The spelling of 427530791 in words is "four hundred twenty-seven million, five hundred thirty thousand, seven hundred ninety-one".