42205413 has 8 divisors (see below), whose sum is σ = 56304000. Its totient is φ = 28121888.

The previous prime is 42205381. The next prime is 42205421. The reversal of 42205413 is 31450224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42205413 - 2⁵ = 42205381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42205413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42205463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8308 + ... + 12386.

It is an arithmetic number, because the mean of its divisors is an integer number (7038000).

Almost surely, 2^42205413 is an apocalyptic number.

It is an amenable number.

42205413 is a deficient number, since it is larger than the sum of its proper divisors (14098587).

42205413 is a wasteful number, since it uses less digits than its factorization.

42205413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7531.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 42205413 is about 6496.5693254209. The cubic root of 42205413 is about 348.1684265302.

Adding to 42205413 its reverse (31450224), we get a palindrome (73655637).

The spelling of 42205413 in words is "forty-two million, two hundred five thousand, four hundred thirteen".