242568499 has 4 divisors (see below), whose sum is σ = 250932960. Its totient is φ = 234204040.

The previous prime is 242568481. The next prime is 242568503. The reversal of 242568499 is 994865242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242568499 - 2⁵ = 242568467 is a prime.

It is a super-2 number, since 2×242568499² = 117678953414226002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242568199) 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, 4182187 + ... + 4182244.

It is an arithmetic number, because the mean of its divisors is an integer number (62733240).

Almost surely, 2^242568499 is an apocalyptic number.

242568499 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

242568499 is a deficient number, since it is larger than the sum of its proper divisors (8364461).

242568499 is an equidigital number, since it uses as much as digits as its factorization.

242568499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8364460.

The product of its digits is 1244160, while the sum is 49.

The square root of 242568499 is about 15574.6107174465. The cubic root of 242568499 is about 623.6555625343.

The spelling of 242568499 in words is "two hundred forty-two million, five hundred sixty-eight thousand, four hundred ninety-nine".