42205453 has 8 divisors (see below), whose sum is σ = 43122240. Its totient is φ = 41297760.

The previous prime is 42205421. The next prime is 42205459. The reversal of 42205453 is 35450224.

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 42205453 - 2⁵ = 42205421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42205459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7558 + ... + 11896.

It is an arithmetic number, because the mean of its divisors is an integer number (5390280).

Almost surely, 2^42205453 is an apocalyptic number.

It is an amenable number.

42205453 is a deficient number, since it is larger than the sum of its proper divisors (916787).

42205453 is a wasteful number, since it uses less digits than its factorization.

42205453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4547.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42205453 is about 6496.5724039681. The cubic root of 42205453 is about 348.1685365219.

Adding to 42205453 its reverse (35450224), we get a palindrome (77655677).

The spelling of 42205453 in words is "forty-two million, two hundred five thousand, four hundred fifty-three".