42515803 has 8 divisors (see below), whose sum is σ = 46460736. Its totient is φ = 38584200.

The previous prime is 42515801. The next prime is 42515807. The reversal of 42515803 is 30851524.

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

It is a cyclic number.

It is not a de Polignac number, because 42515803 - 2¹ = 42515801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42515801) 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, 4068 + ... + 10078.

It is an arithmetic number, because the mean of its divisors is an integer number (5807592).

Almost surely, 2^42515803 is an apocalyptic number.

42515803 is a deficient number, since it is larger than the sum of its proper divisors (3944933).

42515803 is a wasteful number, since it uses less digits than its factorization.

42515803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 42515803 is about 6520.4143273261. The cubic root of 42515803 is about 349.0198509246.

The spelling of 42515803 in words is "forty-two million, five hundred fifteen thousand, eight hundred three".