242870659 has 4 divisors (see below), whose sum is σ = 242902800. Its totient is φ = 242838520.

The previous prime is 242870657. The next prime is 242870681. The reversal of 242870659 is 956078242.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 242870659 - 2¹ = 242870657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242870651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2154 + ... + 22144.

It is an arithmetic number, because the mean of its divisors is an integer number (60725700).

Almost surely, 2^242870659 is an apocalyptic number.

242870659 is a deficient number, since it is larger than the sum of its proper divisors (32141).

242870659 is a wasteful number, since it uses less digits than its factorization.

242870659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32140.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 242870659 is about 15584.3081014205. The cubic root of 242870659 is about 623.9144111667.

The spelling of 242870659 in words is "two hundred forty-two million, eight hundred seventy thousand, six hundred fifty-nine".