42530205 has 16 divisors (see below), whose sum is σ = 69888384. Its totient is φ = 22069440.

The previous prime is 42530179. The next prime is 42530231. The reversal of 42530205 is 50203524.

It is an interprime number because it is at equal distance from previous prime (42530179) and next prime (42530231).

It is not a de Polignac number, because 42530205 - 2⁷ = 42530077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37761 + ... + 38870.

It is an arithmetic number, because the mean of its divisors is an integer number (4368024).

Almost surely, 2^42530205 is an apocalyptic number.

It is an amenable number.

42530205 is a deficient number, since it is larger than the sum of its proper divisors (27358179).

42530205 is a wasteful number, since it uses less digits than its factorization.

42530205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76676.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 42530205 is about 6521.5186114892. The cubic root of 42530205 is about 349.0592560091.

Adding to 42530205 its reverse (50203524), we get a palindrome (92733729).

The spelling of 42530205 in words is "forty-two million, five hundred thirty thousand, two hundred five".