242612761 has 4 divisors (see below), whose sum is σ = 243038224. Its totient is φ = 242187300.

The previous prime is 242612759. The next prime is 242612801. The reversal of 242612761 is 167216242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242612761 - 2¹ = 242612759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242612701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211875 + ... + 213016.

It is an arithmetic number, because the mean of its divisors is an integer number (60759556).

Almost surely, 2^242612761 is an apocalyptic number.

It is an amenable number.

242612761 is a deficient number, since it is larger than the sum of its proper divisors (425463).

242612761 is an equidigital number, since it uses as much as digits as its factorization.

242612761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425462.

The product of its digits is 8064, while the sum is 31.

The square root of 242612761 is about 15576.0316191256. The cubic root of 242612761 is about 623.6934934882.

The spelling of 242612761 in words is "two hundred forty-two million, six hundred twelve thousand, seven hundred sixty-one".