42436001 has 8 divisors (see below), whose sum is σ = 43200360. Its totient is φ = 41678208.

The previous prime is 42435979. The next prime is 42436007. The reversal of 42436001 is 10063424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3996001 + 38440000 = 1999^2 + 6200^2 .

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 42436001 - 2⁶ = 42435937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42436007) 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, 12455 + ... + 15491.

It is an arithmetic number, because the mean of its divisors is an integer number (5400045).

Almost surely, 2^42436001 is an apocalyptic number.

It is an amenable number.

42436001 is a deficient number, since it is larger than the sum of its proper divisors (764359).

42436001 is a wasteful number, since it uses less digits than its factorization.

42436001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3283.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42436001 is about 6514.2920567012. The cubic root of 42436001 is about 348.8013445129.

Adding to 42436001 its reverse (10063424), we get a palindrome (52499425).

The spelling of 42436001 in words is "forty-two million, four hundred thirty-six thousand, one".