42503001 has 8 divisors (see below), whose sum is σ = 56906784. Its totient is φ = 28217280.

The previous prime is 42502987. The next prime is 42503023. The reversal of 42503001 is 10030524.

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

It is not a de Polignac number, because 42503001 - 2⁵ = 42502969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42503051) 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, 28671 + ... + 30116.

It is an arithmetic number, because the mean of its divisors is an integer number (7113348).

Almost surely, 2^42503001 is an apocalyptic number.

It is an amenable number.

42503001 is a deficient number, since it is larger than the sum of its proper divisors (14403783).

42503001 is a wasteful number, since it uses less digits than its factorization.

42503001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59031.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 42503001 is about 6519.4325673328. The cubic root of 42503001 is about 348.9848161034.

Adding to 42503001 its reverse (10030524), we get a palindrome (52533525).

The spelling of 42503001 in words is "forty-two million, five hundred three thousand, one".