42626503 has 4 divisors (see below), whose sum is σ = 42652120. Its totient is φ = 42600888.

The previous prime is 42626501. The next prime is 42626513. The reversal of 42626503 is 30562624.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42626503 - 2¹ = 42626501 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 (42626501) 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, 10125 + ... + 13702.

It is an arithmetic number, because the mean of its divisors is an integer number (10663030).

Almost surely, 2^42626503 is an apocalyptic number.

42626503 is a deficient number, since it is larger than the sum of its proper divisors (25617).

42626503 is a wasteful number, since it uses less digits than its factorization.

42626503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25616.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 42626503 is about 6528.8975332747. The cubic root of 42626503 is about 349.3225071144.

The spelling of 42626503 in words is "forty-two million, six hundred twenty-six thousand, five hundred three".