242715 has 16 divisors (see below), whose sum is σ = 423936. Its totient is φ = 117600.

The previous prime is 242713. The next prime is 242729. The reversal of 242715 is 517242.

It is not a de Polignac number, because 242715 - 2¹ = 242713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 242691 and 242700.

It is not an unprimeable number, because it can be changed into a prime (242713) 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, 571 + ... + 900.

It is an arithmetic number, because the mean of its divisors is an integer number (26496).

2²⁴²⁷¹⁵ is an apocalyptic number.

242715 is a deficient number, since it is larger than the sum of its proper divisors (181221).

242715 is a wasteful number, since it uses less digits than its factorization.

242715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490.

The product of its digits is 560, while the sum is 21.

The square root of 242715 is about 492.6611411508. The cubic root of 242715 is about 62.3781091030.

Adding to 242715 its reverse (517242), we get a palindrome (759957).

It can be divided in two parts, 2427 and 15, that added together give a palindrome (2442).

The spelling of 242715 in words is "two hundred forty-two thousand, seven hundred fifteen".