427545203 has 2 divisors, whose sum is σ = 427545204. Its totient is φ = 427545202.

The previous prime is 427545187. The next prime is 427545227. The reversal of 427545203 is 302545724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427545203 - 2⁴ = 427545187 is a prime.

It is a super-2 number, since 2×427545203² = 365589801216622418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427545203.

It is not a weakly prime, because it can be changed into another prime (427545263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213772601 + 213772602.

It is an arithmetic number, because the mean of its divisors is an integer number (213772602).

Almost surely, 2^427545203 is an apocalyptic number.

427545203 is a deficient number, since it is larger than the sum of its proper divisors (1).

427545203 is an equidigital number, since it uses as much as digits as its factorization.

427545203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 427545203 is about 20677.1662226718. The cubic root of 427545203 is about 753.3451778274.

The spelling of 427545203 in words is "four hundred twenty-seven million, five hundred forty-five thousand, two hundred three".