242597459 has 8 divisors (see below), whose sum is σ = 263254992. Its totient is φ = 222225120.

The previous prime is 242597449. The next prime is 242597473. The reversal of 242597459 is 954795242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 242597459 - 2¹² = 242593363 is a prime.

It is a super-2 number, since 2×242597459² = 117707054226513362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (242597449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69524 + ... + 72929.

It is an arithmetic number, because the mean of its divisors is an integer number (32906874).

Almost surely, 2^242597459 is an apocalyptic number.

242597459 is a deficient number, since it is larger than the sum of its proper divisors (20657533).

242597459 is a wasteful number, since it uses less digits than its factorization.

242597459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142597.

The product of its digits is 907200, while the sum is 47.

The square root of 242597459 is about 15575.5404079602. The cubic root of 242597459 is about 623.6803807423.

The spelling of 242597459 in words is "two hundred forty-two million, five hundred ninety-seven thousand, four hundred fifty-nine".