42415 has 8 divisors (see below), whose sum is σ = 54000. Its totient is φ = 31872.

The previous prime is 42409. The next prime is 42433. The reversal of 42415 is 51424.

42415 = 46² + 47² + ... + 60².

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 42415 - 2³ = 42407 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

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, 165 + ... + 334.

It is an arithmetic number, because the mean of its divisors is an integer number (6750).

2⁴²⁴¹⁵ is an apocalyptic number.

42415 is a deficient number, since it is larger than the sum of its proper divisors (11585).

42415 is a wasteful number, since it uses less digits than its factorization.

42415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521.

The product of its digits is 160, while the sum is 16.

The square root of 42415 is about 205.9490228188. The cubic root of 42415 is about 34.8743796004.

Adding to 42415 its reverse (51424), we get a palindrome (93839).

Subtracting 42415 from its reverse (51424), we obtain a palindrome (9009).

The spelling of 42415 in words is "forty-two thousand, four hundred fifteen".