427193573 has 2 divisors, whose sum is σ = 427193574. Its totient is φ = 427193572.

The previous prime is 427193567. The next prime is 427193593. The reversal of 427193573 is 375391724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 267878689 + 159314884 = 16367^2 + 12622^2 .

It is a cyclic number.

It is not a de Polignac number, because 427193573 - 2¹⁸ = 426931429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 427193573.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427193593) 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, 213596786 + 213596787.

It is an arithmetic number, because the mean of its divisors is an integer number (213596787).

Almost surely, 2^427193573 is an apocalyptic number.

It is an amenable number.

427193573 is a deficient number, since it is larger than the sum of its proper divisors (1).

427193573 is an equidigital number, since it uses as much as digits as its factorization.

427193573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 41.

The square root of 427193573 is about 20668.6616160795. The cubic root of 427193573 is about 753.1385942761.

The spelling of 427193573 in words is "four hundred twenty-seven million, one hundred ninety-three thousand, five hundred seventy-three".