427573193 has 2 divisors, whose sum is σ = 427573194. Its totient is φ = 427573192.

The previous prime is 427573189. The next prime is 427573277. The reversal of 427573193 is 391375724.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 385219129 + 42354064 = 19627^2 + 6508^2 .

It is a cyclic number.

It is not a de Polignac number, because 427573193 - 2² = 427573189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427573193.

It is not a weakly prime, because it can be changed into another prime (427572193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213786596 + 213786597.

It is an arithmetic number, because the mean of its divisors is an integer number (213786597).

Almost surely, 2^427573193 is an apocalyptic number.

It is an amenable number.

427573193 is a deficient number, since it is larger than the sum of its proper divisors (1).

427573193 is an equidigital number, since it uses as much as digits as its factorization.

427573193 is an evil number, because the sum of its binary digits is even.

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

The square root of 427573193 is about 20677.8430451534. The cubic root of 427573193 is about 753.3616171584.

The spelling of 427573193 in words is "four hundred twenty-seven million, five hundred seventy-three thousand, one hundred ninety-three".