242597 has 8 divisors (see below), whose sum is σ = 255192. Its totient is φ = 230400.

The previous prime is 242591. The next prime is 242603. The reversal of 242597 is 795242.

It is an interprime number because it is at equal distance from previous prime (242591) and next prime (242603).

It can be written as a sum of positive squares in 4 ways, for example, as 11236 + 231361 = 106^2 + 481^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 242597 - 2⁶ = 242533 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 4⁷ + 5⁷ + 2¹⁷ + 9² + 7⁵ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2453 + ... + 2549.

It is an arithmetic number, because the mean of its divisors is an integer number (31899).

2²⁴²⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

242597 is a deficient number, since it is larger than the sum of its proper divisors (12595).

242597 is an equidigital number, since it uses as much as digits as its factorization.

242597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199.

The product of its digits is 5040, while the sum is 29.

The square root of 242597 is about 492.5413688209. The cubic root of 242597 is about 62.3679987403.

It can be divided in two parts, 2425 and 97, that multiplied together give a square (235225 = 485²).

The spelling of 242597 in words is "two hundred forty-two thousand, five hundred ninety-seven".