42615115 has 8 divisors (see below), whose sum is σ = 51194880. Its totient is φ = 34054272.

The previous prime is 42615109. The next prime is 42615121. The reversal of 42615115 is 51151624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42615109) and next prime (42615121).

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 42615115 - 2⁹ = 42614603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42615115.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 822 + ... + 9268.

It is an arithmetic number, because the mean of its divisors is an integer number (6399360).

Almost surely, 2^42615115 is an apocalyptic number.

42615115 is a deficient number, since it is larger than the sum of its proper divisors (8579765).

42615115 is a wasteful number, since it uses less digits than its factorization.

42615115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461.

The product of its digits is 1200, while the sum is 25.

The square root of 42615115 is about 6528.0253522792. The cubic root of 42615115 is about 349.2913962737.

Adding to 42615115 its reverse (51151624), we get a palindrome (93766739).

The spelling of 42615115 in words is "forty-two million, six hundred fifteen thousand, one hundred fifteen".