42515103 has 16 divisors (see below), whose sum is σ = 59886080. Its totient is φ = 26754624.

The previous prime is 42515101. The next prime is 42515117. The reversal of 42515103 is 30151524.

It is not a de Polignac number, because 42515103 - 2¹ = 42515101 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42515103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42515101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16650 + ... + 19032.

It is an arithmetic number, because the mean of its divisors is an integer number (3742880).

Almost surely, 2^42515103 is an apocalyptic number.

42515103 is a deficient number, since it is larger than the sum of its proper divisors (17370977).

42515103 is a wasteful number, since it uses less digits than its factorization.

42515103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718.

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

The square root of 42515103 is about 6520.3606495347. The cubic root of 42515103 is about 349.0179354389.

Adding to 42515103 its reverse (30151524), we get a palindrome (72666627).

The spelling of 42515103 in words is "forty-two million, five hundred fifteen thousand, one hundred three".