42525003 has 4 divisors (see below), whose sum is σ = 56700008. Its totient is φ = 28350000.

The previous prime is 42524981. The next prime is 42525013. The reversal of 42525003 is 30052524.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 42525003 - 2⁵ = 42524971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42525013) 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 3 ways as a sum of consecutive naturals, for example, 7087498 + ... + 7087503.

It is an arithmetic number, because the mean of its divisors is an integer number (14175002).

Almost surely, 2^42525003 is an apocalyptic number.

42525003 is a deficient number, since it is larger than the sum of its proper divisors (14175005).

42525003 is a wasteful number, since it uses less digits than its factorization.

42525003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14175004.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 42525003 is about 6521.1197658071. The cubic root of 42525003 is about 349.0450239256.

Adding to 42525003 its reverse (30052524), we get a palindrome (72577527).

The spelling of 42525003 in words is "forty-two million, five hundred twenty-five thousand, three".