427452205 has 4 divisors (see below), whose sum is σ = 512942652. Its totient is φ = 341961760.

The previous prime is 427452197. The next prime is 427452229. The reversal of 427452205 is 502254724.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 106791556 + 320660649 = 10334^2 + 17907^2 .

It is not a de Polignac number, because 427452205 - 2³ = 427452197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 42745216 + ... + 42745225.

It is an arithmetic number, because the mean of its divisors is an integer number (128235663).

Almost surely, 2^427452205 is an apocalyptic number.

It is an amenable number.

427452205 is a deficient number, since it is larger than the sum of its proper divisors (85490447).

427452205 is an equidigital number, since it uses as much as digits as its factorization.

427452205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85490446.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 427452205 is about 20674.9172912493. The cubic root of 427452205 is about 753.2905522777.

The spelling of 427452205 in words is "four hundred twenty-seven million, four hundred fifty-two thousand, two hundred five".