242250065 has 4 divisors (see below), whose sum is σ = 290700084. Its totient is φ = 193800048.

The previous prime is 242250061. The next prime is 242250101. The reversal of 242250065 is 560052242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 106853569 + 135396496 = 10337^2 + 11636^2 .

It is a cyclic number.

It is not a de Polignac number, because 242250065 - 2² = 242250061 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242250061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24225002 + ... + 24225011.

It is an arithmetic number, because the mean of its divisors is an integer number (72675021).

Almost surely, 2^242250065 is an apocalyptic number.

It is an amenable number.

242250065 is a deficient number, since it is larger than the sum of its proper divisors (48450019).

242250065 is an equidigital number, since it uses as much as digits as its factorization.

242250065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48450018.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 242250065 is about 15564.3845043741. The cubic root of 242250065 is about 623.3825398606.

The spelling of 242250065 in words is "two hundred forty-two million, two hundred fifty thousand, sixty-five".