242587256 has 16 divisors (see below), whose sum is σ = 474627600. Its totient is φ = 116019904.

The previous prime is 242587223. The next prime is 242587277. The reversal of 242587256 is 652785242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659021 + ... + 659388.

It is an arithmetic number, because the mean of its divisors is an integer number (29664225).

Almost surely, 2^242587256 is an apocalyptic number.

It is an amenable number.

242587256 is a deficient number, since it is larger than the sum of its proper divisors (232040344).

242587256 is a wasteful number, since it uses less digits than its factorization.

242587256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318438 (or 1318434 counting only the distinct ones).

The product of its digits is 268800, while the sum is 41.

The square root of 242587256 is about 15575.2128717395. The cubic root of 242587256 is about 623.6716371770.

The spelling of 242587256 in words is "two hundred forty-two million, five hundred eighty-seven thousand, two hundred fifty-six".