42254605 has 8 divisors (see below), whose sum is σ = 53688312. Its totient is φ = 31815168.

The previous prime is 42254603. The next prime is 42254609. The reversal of 42254605 is 50645224.

It can be written as a sum of positive squares in 4 ways, for example, as 4468996 + 37785609 = 2114^2 + 6147^2 .

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 42254605 - 2¹ = 42254603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42254603) 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, 248472 + ... + 248641.

It is an arithmetic number, because the mean of its divisors is an integer number (6711039).

Almost surely, 2^42254605 is an apocalyptic number.

It is an amenable number.

42254605 is a deficient number, since it is larger than the sum of its proper divisors (11433707).

42254605 is a wasteful number, since it uses less digits than its factorization.

42254605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497135.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 42254605 is about 6500.3542211175. The cubic root of 42254605 is about 348.3036418200.

Adding to 42254605 its reverse (50645224), we get a palindrome (92899829).

The spelling of 42254605 in words is "forty-two million, two hundred fifty-four thousand, six hundred five".