16715242 has 4 divisors (see below), whose sum is σ = 25072866. Its totient is φ = 8357620.

The previous prime is 16715239. The next prime is 16715263. The reversal of 16715242 is 24251761.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24251761 = 37 ⋅655453.

It can be written as a sum of positive squares in only one way, i.e., 11826721 + 4888521 = 3439^2 + 2211^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16715242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4178809 + ... + 4178812.

Almost surely, 2^16715242 is an apocalyptic number.

16715242 is a deficient number, since it is larger than the sum of its proper divisors (8357624).

16715242 is an equidigital number, since it uses as much as digits as its factorization.

16715242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8357623.

The product of its digits is 3360, while the sum is 28.

The square root of 16715242 is about 4088.4278151876. The cubic root of 16715242 is about 255.6843950075.

The spelling of 16715242 in words is "sixteen million, seven hundred fifteen thousand, two hundred forty-two".