427725583 has 2 divisors, whose sum is σ = 427725584. Its totient is φ = 427725582.

The previous prime is 427725541. The next prime is 427725629. The reversal of 427725583 is 385527724.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427725583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427725523) 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, 213862791 + 213862792.

It is an arithmetic number, because the mean of its divisors is an integer number (213862792).

Almost surely, 2^427725583 is an apocalyptic number.

427725583 is a deficient number, since it is larger than the sum of its proper divisors (1).

427725583 is an equidigital number, since it uses as much as digits as its factorization.

427725583 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 470400, while the sum is 43.

The square root of 427725583 is about 20681.5275789773. The cubic root of 427725583 is about 753.4511075992.

The spelling of 427725583 in words is "four hundred twenty-seven million, seven hundred twenty-five thousand, five hundred eighty-three".