42425503 has 4 divisors (see below), whose sum is σ = 42441640. Its totient is φ = 42409368.

The previous prime is 42425491. The next prime is 42425519. The reversal of 42425503 is 30552424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42425503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42425203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3108 + ... + 9721.

It is an arithmetic number, because the mean of its divisors is an integer number (10610410).

Almost surely, 2^42425503 is an apocalyptic number.

42425503 is a deficient number, since it is larger than the sum of its proper divisors (16137).

42425503 is a wasteful number, since it uses less digits than its factorization.

42425503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16136.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42425503 is about 6513.4862401021. The cubic root of 42425503 is about 348.7725794830.

Adding to 42425503 its reverse (30552424), we get a palindrome (72977927).

The spelling of 42425503 in words is "forty-two million, four hundred twenty-five thousand, five hundred three".