42503115 has 8 divisors (see below), whose sum is σ = 68005008. Its totient is φ = 22668320.

The previous prime is 42503113. The next prime is 42503119. The reversal of 42503115 is 51130524.

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

It is not a de Polignac number, because 42503115 - 2¹ = 42503113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42503091 and 42503100.

It is not an unprimeable number, because it can be changed into a prime (42503113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416756 + ... + 1416785.

It is an arithmetic number, because the mean of its divisors is an integer number (8500626).

Almost surely, 2^42503115 is an apocalyptic number.

42503115 is a deficient number, since it is larger than the sum of its proper divisors (25501893).

42503115 is a wasteful number, since it uses less digits than its factorization.

42503115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833549.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 42503115 is about 6519.4413104192. The cubic root of 42503115 is about 348.9851281145.

Adding to 42503115 its reverse (51130524), we get a palindrome (93633639).

The spelling of 42503115 in words is "forty-two million, five hundred three thousand, one hundred fifteen".