42253601 has 8 divisors (see below), whose sum is σ = 45580584. Its totient is φ = 38937600.

The previous prime is 42253597. The next prime is 42253613. The reversal of 42253601 is 10635224.

42253601 is nontrivially palindromic in base 14.

It can be written as a sum of positive squares in 4 ways, for example, as 13104400 + 29149201 = 3620^2 + 5399^2 .

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

It is not a de Polignac number, because 42253601 - 2² = 42253597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42253681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6401 + ... + 11201.

It is an arithmetic number, because the mean of its divisors is an integer number (5697573).

Almost surely, 2^42253601 is an apocalyptic number.

It is an amenable number.

42253601 is a deficient number, since it is larger than the sum of its proper divisors (3326983).

42253601 is a wasteful number, since it uses less digits than its factorization.

42253601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5491.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42253601 is about 6500.2769940980. The cubic root of 42253601 is about 348.3008831493.

Adding to 42253601 its reverse (10635224), we get a palindrome (52888825).

The spelling of 42253601 in words is "forty-two million, two hundred fifty-three thousand, six hundred one".