42397503 has 8 divisors (see below), whose sum is σ = 56910000. Its totient is φ = 28075008.

The previous prime is 42397469. The next prime is 42397513. The reversal of 42397503 is 30579324.

It is a happy number.

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

It is not a de Polignac number, because 42397503 - 2²⁵ = 8843071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42397513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46978 + ... + 47871.

It is an arithmetic number, because the mean of its divisors is an integer number (7113750).

Almost surely, 2^42397503 is an apocalyptic number.

42397503 is a deficient number, since it is larger than the sum of its proper divisors (14512497).

42397503 is a wasteful number, since it uses less digits than its factorization.

42397503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95001.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 42397503 is about 6511.3364987535. The cubic root of 42397503 is about 348.6958349096.

The spelling of 42397503 in words is "forty-two million, three hundred ninety-seven thousand, five hundred three".